Doctors Note Logo

Ubie mascot holding a Q&A card

Your Health Questions
Answered by Professionals

Get expert advice from current physicians on your health concerns, treatment options, and effective management strategies.

Need answers about current symptoms?

Common Questions

Q

Can a UTI cause nausea, and what that adds to the picture

Yes, a UTI can cause nausea, and when it does, it often signals that the infection is no longer confined to the bladder. Simple bladder infections typically cause burning urination, urgency, frequency, and pelvic pressure, while nausea, vomiting, fever, chills, and flank or back pain suggest the infection may have reached the kidneys (pyelonephritis), which needs prompt medical care. Nausea can also point to other explanations that mimic a UTI, including kidney stones, pregnancy, dehydration, certain antibiotics, or in older adults, a more systemic infection. Because the same symptom can mean very different things depending on fever, pain location, age, and pregnancy status, there are several important factors to consider before deciding whether to wait, call a clinician, or seek urgent care. See below to understand more about which combinations of symptoms matter most and what to do next. If nausea has joined your urinary symptoms, the fastest way to make sense of it is to look at the whole pattern rather than one complaint at a time. A free, instant online <a href="https://ubiehealth.com/">symptom check</a> walks you through your specific symptoms, duration, and risk factors in just a few minutes, then helps you understand possible causes and how urgently you should be seen. That clarity matters here, because untreated kidney infections can escalate quickly, while a straightforward bladder infection may be handled far more simply. Taking a few minutes now can save you from guessing, and it gives you clear language to bring to a clinician. Last reviewed for medical accuracy: 10/08/2025

Q

Can chronically high cortisol be fixed for good

Chronically elevated cortisol can often be corrected permanently, but whether it stays resolved depends on what is driving it, and there are several important factors to consider below. When the cause is Cushing's syndrome from a pituitary or adrenal tumor or from steroid medication, surgery, radiation, or adjusting the medication can normalize levels for good, though the body may need months to years to fully recalibrate. When the cause is lifestyle or illness related, including chronic stress, poor sleep, undereating, overtraining, heavy alcohol use, sleep apnea, or depression, cortisol usually returns to normal once those drivers are treated, but it can climb again if they come back. Because symptoms such as central weight gain, high blood pressure, fatigue, thinning skin, easy bruising, and mood changes overlap with many other conditions, proper lab testing and clinical evaluation are essential, and the full details below explain what distinguishes each cause. Since the answer hinges on correctly identifying your specific trigger, taking a few minutes to complete a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you organize what you are experiencing, see which possibilities fit, and walk into your next appointment ready to ask for the right tests. Last reviewed for medical accuracy: 10/08/2026

Q

Can fatty liver be reversed, and what actually works

Yes, fatty liver disease (hepatic steatosis) can often be reversed, especially in the early stages before significant scarring develops, and the most proven approaches include gradual weight loss of 7 to 10 percent of body weight, cutting added sugars and alcohol, 150 or more minutes of weekly exercise, and managing diabetes, cholesterol, and blood pressure. Reversibility depends heavily on your stage, since simple steatosis responds well while advanced fibrosis or cirrhosis may only be slowed rather than undone, and several factors including medications, genetics, and rapid weight loss can change your outcome. See below to understand which interventions have real evidence behind them, which supplements are not worth your money, and how to track progress with liver enzymes and imaging. Because fatty liver is usually silent until it is advanced, symptoms like persistent fatigue, right upper abdominal discomfort, or unexplained weight changes deserve a closer look rather than a wait-and-see approach. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to clarify what your body may be signaling and get a clearer sense of which next steps and conversations with a clinician make the most sense for you. Last reviewed for medical accuracy: 10/08/2026

Q

Can high blood pressure cause dizziness

High blood pressure itself usually causes no symptoms, but dizziness can occur with severely elevated readings, during a hypertensive crisis, or as a side effect of blood pressure medications such as diuretics, beta blockers, and ACE inhibitors. Dizziness that strikes when standing up quickly often points to orthostatic hypotension, a sudden blood pressure drop that can happen in people being treated for hypertension. Sudden dizziness paired with chest pain, severe headache, blurred vision, weakness on one side, slurred speech, or shortness of breath is a medical emergency and may signal a stroke or heart problem. Several factors influence whether your dizziness is related to blood pressure, your medications, or another condition entirely, so see below to understand more. Because dizziness has many possible causes and blood pressure is only one of them, it helps to narrow things down before deciding whether to monitor at home, call your doctor, or seek urgent care. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> asks about your specific symptoms and history, then suggests possible causes and the right next step, giving you clearer information to act on in minutes. Last reviewed for medical accuracy: 10/08/2026

Q

Can you have an anxiety attack in your sleep, and what it is

Yes, anxiety and panic attacks can occur during sleep, and these nocturnal episodes wake you abruptly with a racing heart, sweating, shortness of breath, chest tightness, trembling, and a sense of dread or doom, often without any remembered dream or clear trigger. They typically arise out of non-REM sleep, usually within the first few hours after falling asleep, which sets them apart from nightmares, night terrors, and sleep apnea awakenings. Most episodes peak within about 10 minutes and ease within half an hour, though lingering fear can make it hard to fall back asleep and may fuel a cycle of sleep avoidance and insomnia. There are several important factors to consider, including underlying conditions, stress, medications, caffeine, alcohol, and thyroid or heart issues that can mimic or worsen these attacks, so see below to understand more. If your sleep keeps getting interrupted by sudden fear or physical symptoms, a few minutes of clarity can help you decide what to do next: take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to sort out whether your nighttime awakenings point toward anxiety, a sleep disorder, or something else that deserves a closer look, and get guidance on which type of care to pursue and how soon. Last reviewed for medical accuracy: 10/08/2026

Q

Can you have the flu without a fever, and how to tell

Yes, you can have the flu without a fever, and it is more common than people expect, particularly in older adults, young children, and those with weakened immune systems. The clearest clues are sudden onset symptoms like body aches, chills, headache, dry cough, sore throat, and exhaustion that hit within hours rather than building gradually over days. A normal temperature does not rule out influenza, and several important factors, including exposure history, symptom timing, and the 48-hour window for antiviral treatment, are explained in detail below. Because fever-free flu is easy to mistake for a cold or allergies, and the treatment window closes fast, guessing can cost you days of recovery and put others at risk. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see how your specific symptoms line up and get clear guidance on what to do next. Last reviewed for medical accuracy: 10/08/2026

Q

Chest pain when taking a deep breath: causes and when it is urgent

Sharp chest pain that worsens when you breathe deeply is often called pleuritic pain, and common causes include muscle strain, costochondritis, rib injury, pleurisy, pneumonia, pericarditis, and a collapsed lung, while a pulmonary embolism is the most dangerous possibility. Urgent care is needed if the pain comes with shortness of breath, coughing up blood, fainting, a fast heartbeat, fever, leg swelling or calf pain, or if it follows recent surgery, immobility, or long travel. Pain that is reproducible by pressing on one spot and improves with rest or position changes more often points to a musculoskeletal cause, though this is not a guarantee. Several factors influence how serious this symptom is, including your age, risk factors, and how suddenly it began. See below to understand more about each cause and the specific warning signs that mean you should not wait. Because overlapping conditions can feel identical yet differ enormously in urgency, a few minutes of structured questions about your symptoms can help you tell whether this needs an emergency room, a same-day appointment, or simple self-care. You can take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which causes best match your pattern of pain and get clear guidance on your next step. Last reviewed for medical accuracy: 10/08/2025

Q

Choosing a lubricant for vaginal dryness: what to look for

Water-based lubricants are generally the most versatile and condom-safe choice, while silicone-based options last longer and work well for lasting dryness or in water. Look for products that are free of glycerin, parabens, fragrance, and warming or flavoring additives, and choose a pH near 3.8 to 4.5 with low osmolality to protect vaginal tissue and reduce irritation or infection risk. Oil-based and natural oils like coconut can feel soothing but may degrade latex condoms, and lubricants differ from vaginal moisturizers, which are used regularly rather than only during sex. There are several important factors to weigh, including your symptoms, hormonal status, and whether dryness is persistent, so see below for the complete details before you buy. If dryness is ongoing, painful, or paired with itching, burning, bleeding, or discharge, a lubricant alone may not solve the underlying cause, which can range from low estrogen and medication side effects to infections or skin conditions. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what may be driving your symptoms and what steps to take next. Last reviewed for medical accuracy: 10/08/2026

Q

Circadian rhythm and fragmented sleep: why you wake at the same hour

Waking at the same hour each night often traces back to your circadian rhythm, the internal clock that times cortisol release, core body temperature, and the shift from deep sleep into lighter, more wake-prone stages in the second half of the night. Common triggers include alcohol or late meals, stress and elevated cortisol, bladder pressure, blood sugar dips, reflux, sleep apnea, perimenopause or thyroid changes, and anxiety that conditions the brain to expect that wake-up. There are several important factors to consider, including when a predictable 3 a.m. awakening signals a treatable medical cause rather than a habit, and those details are explained below. Because clock-driven awakenings and symptoms of an underlying condition like apnea, hormonal shifts, or a mood disorder can feel identical at 3 a.m., guessing often leads to months of lost sleep. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you sort out which pattern fits your experience and clarify whether to adjust your routine or talk with a clinician next. Last reviewed for medical accuracy: 10/08/2026

Q

Constant stomach pain: what the location tells you, and when to be seen

Where constant stomach pain sits can point to the likely source: upper middle pain often involves the stomach or esophagus (gastritis, ulcers, reflux), upper right suggests the gallbladder or liver, upper left may be the spleen or pancreas, lower right raises concern for appendicitis, lower left commonly reflects diverticulitis or constipation, and lower middle pain can stem from the bladder, uterus, or ovaries. Pain that is truly constant rather than coming and going is more concerning than brief cramping, especially when it persists beyond a few days or steadily worsens. Seek urgent care for severe or sudden pain, a rigid or board-like abdomen, fever, vomiting blood, black or bloody stools, yellowing skin, chest pain, difficulty breathing, fainting, pain during pregnancy, or inability to keep fluids down. Location alone cannot confirm a diagnosis, since referred pain, nerve irritation, and overlapping organs frequently blur the picture, and several other factors matter. See below for the full breakdown by region, red flag symptoms, and timing guidance you should consider before deciding what to do next. Because identical pain in the same spot can mean anything from trapped gas to a surgical emergency, guessing on your own carries real risk. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> lets you enter your exact pain location, duration, and associated symptoms to see which conditions best match your pattern. It takes only a few minutes, requires no appointment or insurance, and gives you a clearer sense of whether to monitor at home, book a visit, or go in now. You will also get organized notes to share with a clinician, which saves time and helps you get the right tests sooner. Last reviewed for medical accuracy: 10/08/2026

Q

Coughing up green mucus: what it means and what helps

Green mucus usually means your immune system is working: white blood cells release an enzyme called myeloperoxidase, which tints phlegm yellow-green as infection-fighting cells break down, so color alone does not prove you need antibiotics. Common causes range from viral colds and acute bronchitis to sinusitis, and less often bacterial pneumonia, and several factors such as duration, fever, and breathing changes determine which one applies to you. Relief typically comes from staying well hydrated, breathing humidified or steamy air, saline nasal rinses, honey for cough, rest, and avoiding smoke, while warning signs like a fever above 100.4°F lasting more than three days, chest pain, shortness of breath, blood-streaked mucus, or symptoms past 10 days warrant prompt medical care. The timing rules, red flags, and treatment details that separate a normal recovery from something more serious are explained below, and they are worth reading before you decide to wait it out. Because green phlegm can mean anything from a resolving cold to pneumonia, the fastest way to know where you stand is to review your own specific symptoms rather than guess from color alone; take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which conditions best match your situation and what your sensible next step should be. Last reviewed for medical accuracy: 10/08/2026

Q

Cramping with no period: what else causes it

Cramping without a period can stem from ovulation, early pregnancy or implantation, ovarian cysts, endometriosis, fibroids, pelvic inflammatory disease, or hormonal shifts from stress, weight changes, or birth control. It can also come from outside the reproductive system entirely, including constipation, irritable bowel syndrome, urinary tract infections, appendicitis, or muscle strain. Timing, pain location, and symptoms like fever, bleeding, nausea, or pain during sex help narrow down the cause. There are several important distinctions to consider, including which causes need urgent care, so see below to understand more. Because so many conditions share the same cramping sensation, guessing can delay the care you actually need. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> walks you through your specific symptoms in just a few minutes and helps you see which causes fit your pattern, what questions to raise with a clinician, and whether your situation calls for prompt attention. Last reviewed for medical accuracy: 10/08/2026

Q

Does apigenin help you sleep? What is actually known

Apigenin, a flavonoid found in chamomile, parsley, celery, and certain teas, is often promoted as a natural sleep aid because it binds weakly to GABA-A benzodiazepine receptors in the brain, yet human evidence remains limited to small chamomile studies showing mild improvements in sleep quality rather than proof that isolated apigenin supplements work, and important details about dosing, absorption, drug interactions, and safety appear below. Persistent trouble falling or staying asleep is frequently driven by underlying issues like anxiety, sleep apnea, reflux, thyroid dysfunction, restless legs, chronic pain, or medication side effects, none of which a flavonoid supplement will resolve. There are several factors to consider before relying on apigenin, so review the complete answer below. Because supplements can mask a treatable condition and delay care, it is worth clarifying what is actually disrupting your sleep first. Take a free, instant, confidential online <a href="https://ubiehealth.com/">symptom check</a> to see which causes best match your pattern and what sensible next steps look like. Last reviewed for medical accuracy: 10/07/2026

Q

Does bronchitis go away on its own, and how long to give it

Most cases of acute bronchitis are viral and resolve without treatment, with the worst symptoms easing in 1 to 2 weeks and a lingering cough sometimes hanging on for 3 to 8 weeks. Rest, fluids, steam or humidified air, and honey ease symptoms, while antibiotics usually will not help because bacteria are rarely the cause. Give it about 3 weeks, but seek care sooner if you have a fever over 100.4°F lasting more than three days, shortness of breath, wheezing, chest pain, coughing up blood, or repeat episodes, since chronic bronchitis, pneumonia, or asthma may be involved and will not simply go away. Your age, smoking history, and lung or heart conditions all change the expected timeline, so see below for the important details before deciding to wait it out. Because a cough that is "normal" at week two can signal something more serious at week four, it helps to get a clear read on your specific symptoms rather than guessing. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which conditions match what you are experiencing and what step makes sense next. Last reviewed for medical accuracy: 10/08/2026

Q

Does CBD help you sleep, and what the evidence shows

CBD shows mixed results for sleep: some small trials and surveys report longer total sleep time, less anxiety at bedtime, and fewer nighttime awakenings, while other studies find no meaningful benefit over placebo. Dose appears to matter, with higher doses linked to sedation and lower doses sometimes feeling mildly alerting, and most evidence comes from short studies with small numbers of participants rather than large trials on chronic insomnia. Product quality, CBD content accuracy, drug interactions, and side effects such as grogginess, diarrhea, or liver enzyme changes are also part of the picture, and there are several important factors to consider before trying it, detailed below. Because poor sleep is often a symptom rather than the root problem, with causes ranging from stress and sleep apnea to thyroid issues, reflux, depression, or medication effects, CBD may mask what actually needs treating. Taking a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you understand what may be driving your sleepless nights and what steps to take next. Last reviewed for medical accuracy: 10/07/2026

Q

Does ginger lower high blood pressure, and by how much

Ginger may modestly lower blood pressure, with clinical trial reviews reporting average reductions of roughly 6 mmHg systolic and 2 mmHg diastolic, mainly in people under 50 taking about 3 grams or more daily for at least eight weeks. It is not a replacement for prescribed medication, and higher doses can interact with blood thinners and diabetes drugs, so dosage, timing, and your overall risk profile matter; see below for the important details. Because persistently high readings can signal issues that diet changes alone will not fix, it helps to know whether your symptoms point to something that needs prompt attention. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to understand what may be driving your numbers and what to do next. Last reviewed for medical accuracy: 10/08/2026

Q

Does hibiscus tea lower blood pressure, and how much

Yes, hibiscus tea can modestly lower blood pressure, with clinical reviews reporting average drops of roughly 4 to 8 mmHg systolic and 3 to 4 mmHg diastolic after about 2 to 6 weeks of drinking 2 to 3 cups daily. The size of the benefit depends on your starting blood pressure, brewing strength, steeping time, and whether you already take blood pressure medication, since hibiscus may amplify those drugs or interact with diuretics; several important cautions and dosing details are explained below. Because mildly elevated readings, lightheadedness, headaches, or fatigue can signal issues that tea alone will not fix, it helps to understand what your symptoms may mean before relying on a home remedy. A free, instant online <a href="https://ubiehealth.com/">symptom check</a> asks targeted questions about your health history and current signs, then outlines possible causes and the type of care that fits. It takes only a few minutes, costs nothing, and gives you a clearer, more confident starting point for your next conversation with a clinician. Last reviewed for medical accuracy: 10/08/2026

Q

Does oatmeal lower cholesterol, and how much you need

Yes, oatmeal can lower LDL ("bad") cholesterol, thanks to a soluble fiber called beta-glucan that binds cholesterol in the digestive tract so it is carried out of the body. Research suggests about 3 grams of beta-glucan daily, roughly 1.5 cups of cooked oatmeal or 1/2 to 3/4 cup of dry oats, may reduce LDL by around 5 to 7 percent within a few weeks of consistent use. The type of oats, portion size, toppings, and the rest of your diet all influence results, and oatmeal alone will not correct every cause of high cholesterol. There are several important factors to consider, including who may need more than diet changes; see below to understand more. If high cholesterol, fatigue, chest discomfort, or other symptoms are on your mind, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you organize what you are experiencing and point you toward the right next step in minutes, so you know whether to adjust your diet, request a lipid panel, or speak with a clinician now. Last reviewed for medical accuracy: 10/08/2025

Q

Does propranolol make you sleepy? What to expect

Yes, propranolol can make you feel sleepy, since fatigue, drowsiness, and vivid dreams or insomnia are among its most commonly reported side effects, especially in the first few weeks or after a dose increase. This beta blocker slows heart rate and blunts adrenaline signaling, which can leave you feeling tired, mentally foggy, or physically slowed down, though some people notice it mainly as calmer, less anxious energy. How strongly it affects you depends on your dose, whether you take an immediate or extended release form, the time of day you take it, and any other medications or conditions involved, so there are several important factors to consider before assuming it is just the drug. See below to understand more about typical timelines, which symptoms usually fade, and the warning signs that mean you should contact your prescriber instead of waiting it out. Because unusual tiredness can also point to a heart rate that has dropped too low, low blood pressure, low blood sugar, thyroid changes, anemia, or a sleep disorder that propranolol is simply unmasking, it is worth a few minutes to check your symptoms rather than guessing; a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you sort likely causes, see what questions a clinician will ask, and decide whether this warrants a routine visit or faster attention. Last reviewed for medical accuracy: 10/07/2026

Q

Doxepin side effects, and which ones need a doctor

Doxepin commonly causes drowsiness, dry mouth, dizziness, blurred vision, constipation, and weight gain, but several reactions are urgent and should prompt immediate medical attention. Call a doctor right away for new or worsening suicidal thoughts or mood changes (especially in people under 25), a fast or irregular heartbeat, fainting, confusion, trouble urinating, eye pain, seizures, yellowing skin or eyes, fever with sore throat, or signs of a severe allergic reaction. Dosage, age, and other medicines all change which effects are likely and how serious they may be, so there are important distinctions to consider; see below for the complete breakdown of mild versus doctor-worthy symptoms. If you are unsure whether what you are feeling is a tolerable adjustment or a warning sign, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you sort your symptoms in minutes and point you toward the right next step. It is private, takes just a few questions, and gives you clearer language to bring to your prescriber so nothing serious gets dismissed as "just a side effect." Last reviewed for medical accuracy: 10/07/2026

Q

Feeling you need to go but cannot: what tenesmus means

Tenesmus is the persistent, painful urge to pass stool even when the bowel is already empty, often leaving a sense of incomplete evacuation after straining. It is a symptom rather than a diagnosis, and common causes include inflammatory bowel disease (ulcerative colitis or Crohn's), infectious colitis, hemorrhoids, rectal prolapse, pelvic floor dysfunction, radiation proctitis, and, less commonly, colorectal or rectal tumors. Warning signs that need prompt medical attention include blood or mucus in the stool, fever, unexplained weight loss, severe abdominal pain, or symptoms lasting more than a few weeks. There are several important factors that shape what your specific pattern of symptoms means, including duration, accompanying bleeding, and bowel habit changes, so see below to understand more before assuming a cause. Because tenesmus ranges from easily treated irritation to conditions that need urgent evaluation, taking a free, instant online <a href="https://ubiehealth.com/">symptom check</a> can help you organize your symptoms, understand likely explanations, and decide how quickly to see a clinician. Last reviewed for medical accuracy: 10/08/2026

Q

Gaining weight fast without eating more: what to rule out

Rapid weight gain without eating more often points to fluid retention rather than fat, and the causes worth ruling out include thyroid disease (hypothyroidism), heart failure, kidney or liver problems, Cushing's syndrome, PCOS, insulin resistance, and medication side effects from steroids, antidepressants, antipsychotics, beta blockers, or hormonal birth control. Warning signs that need prompt attention include gaining several pounds in a few days, swelling in the legs, ankles, abdomen, or face, shortness of breath when lying flat, and sudden fatigue or puffiness. Less urgent explanations such as sleep loss, chronic stress, constipation, perimenopause, and premenstrual fluid shifts can also play a role, so timing and accompanying symptoms matter. There are several important distinctions between fluid gain and true fat gain, and the details below explain what to track and which tests to ask about. If your weight is climbing and your eating habits have not changed, the fastest way to understand which of these possibilities fits your situation is to run a free, instant <a href="https://ubiehealth.com/">symptom check</a> online, which takes just a few minutes and helps you sort urgent red flags from manageable causes before deciding whether to see a doctor, which type of specialist to request, and what to mention first at your appointment. Last reviewed for medical accuracy: 10/08/2026

Q

Head feels heavy with pressure but no pain: what causes that

Pressure or heaviness in the head without actual pain is most often linked to tension-type headache patterns, sinus or ear congestion, dehydration, poor sleep, eye strain, neck and jaw muscle tightness, anxiety, or inner-ear and blood pressure shifts. Less commonly it points to anemia, thyroid problems, medication side effects, or raised pressure inside the skull, which needs prompt evaluation. What you feel alongside the heaviness, such as dizziness, vision changes, nausea, or fullness in the ears, is what separates everyday causes from urgent ones. There are several important factors to consider, and the full breakdown below explains which patterns deserve attention and when to seek care. Because the same sensation can trace back to very different causes, guessing rarely helps and often prolongs the discomfort. Take a free, instant, anonymous online <a href="https://ubiehealth.com/">symptom check</a> to see which explanations best match your specific symptoms and get clear guidance on your next steps. Last reviewed for medical accuracy: 10/08/2026

Q

Home remedies for neuropathy pain: what has evidence behind it

Several at-home approaches for nerve pain have real research behind them, including regular aerobic and resistance exercise, tight blood sugar control, alpha-lipoic acid and B-vitamin supplementation when deficient, topical capsaicin or lidocaine, warm foot soaks with careful daily foot checks, and limiting alcohol. Evidence is mixed or weaker for acupuncture, massage, essential oils, and magnesium, and some supplements such as high-dose vitamin B6 can actually worsen neuropathy, so dosing and cause matter a great deal. Which remedies help depends on whether your symptoms stem from diabetes, chemotherapy, injury, or a treatable deficiency, and there are several important safety details to weigh before trying anything new, so see the complete answer below. Because burning, tingling, or numbness can signal an underlying condition that needs targeted treatment rather than symptom relief alone, it helps to get a clearer picture of what is driving your pain first. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand your symptoms and decide on your next steps. Last reviewed for medical accuracy: 10/08/2026

Q

How depression changes weight, in both directions

Depression can push weight in either direction: some people lose their appetite, skip meals, and drop pounds, while others eat for comfort, crave carbohydrates, and gain weight. Sleep disruption, fatigue that reduces activity, chronic stress hormones like cortisol, and certain antidepressants all influence which way the scale moves. Weight shifts of more than 5% of body weight in a month can be a diagnostic sign of a depressive episode, and the direction may change over time within the same person. Several factors determine the pattern, including depression subtype, medication, and whether another condition is involved, so see below for the important details. Because unexplained weight change can point to depression, a thyroid problem, or something else entirely, it helps to get clarity before your next appointment: take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to understand what may be driving your symptoms and what steps to take next. Last reviewed for medical accuracy: 10/08/2026

Q

How long amoxicillin takes to work, and when to call a doctor

Amoxicillin typically begins fighting bacteria within hours of the first dose, though most people do not feel noticeably better until 24 to 72 hours in, depending on the infection. Contact a doctor if symptoms have not improved after 48 to 72 hours, if they worsen at any point, or if you develop a high fever, rash, facial or throat swelling, trouble breathing, or severe watery diarrhea. Timing also varies by infection type, severity, dosage, age, and other medications, and the full course should be finished even once you feel well. Several important details and warning signs are outlined below, so read the complete answer before deciding whether to wait or call. If you are unsure whether your slow recovery is normal or a sign that something else is going on, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you compare your symptoms against possible causes in minutes and show you whether to monitor at home, book a visit, or seek urgent care now. Last reviewed for medical accuracy: 10/07/2026

Q

How long antibiotics take to work, and when to call back

Most antibiotics begin easing symptoms within 24 to 72 hours, though the exact timeline depends on the infection, the drug, and your overall health, and several important factors are explained below. Call your clinician back if you have no improvement after 48 to 72 hours, if fever climbs or returns, if pain, swelling, or redness spreads, or if you develop vomiting, severe diarrhea, rash, or trouble breathing. Finishing the full course matters even once you feel better, and there are key exceptions and warning signs worth reviewing below before you decide to wait it out. Because "not getting better yet" and "getting worse" can look similar in the first few days, it helps to check your specific symptoms against the patterns that signal a treatment failure, a resistant bug, or a side effect. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to clarify what your current symptoms suggest and what to tell your clinician when you call back. Last reviewed for medical accuracy: 10/09/2026

Q

How long bronchitis is contagious, and when you can go back to work

Acute bronchitis is usually contagious for about 2 to 10 days, though the underlying virus can spread for up to 2 to 3 weeks and a lingering cough may persist for weeks after you are no longer infectious. Most people can return to work once they have been fever-free for 24 hours without medication, feel well enough to function, and are no longer coughing heavily or producing thick mucus. Timing varies based on the cause (viral, bacterial, or chronic), your job type, and whether you work around infants, elderly, or immunocompromised people, so there are several important factors to consider before going back; see below to understand more. Because bronchitis symptoms overlap with pneumonia, flu, COVID-19, asthma, and whooping cough, which carry very different contagious periods and recovery timelines, guessing wrong can mean spreading illness or delaying needed treatment. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to get a clearer picture of what may be causing your cough and what steps to take next. Last reviewed for medical accuracy: 10/08/2026

Q

How long food poisoning lasts, and when it has gone on too long

Most food poisoning clears up within 1 to 3 days, though illnesses caused by bacteria like Campylobacter or parasites such as Giardia can linger for a week or more. Warning signs that it has gone on too long include symptoms lasting beyond 3 days, fever above 102°F, bloody stools, signs of dehydration, or vomiting that keeps you from holding down fluids. Recovery time varies with the specific pathogen, your age, and your immune health, so see below to understand more about the details that matter for your situation. Because the timeline alone cannot reveal which germ is responsible or how serious things are, a free, instant <a href="https://ubiehealth.com/">symptom check</a> can match what you are feeling against known causes in just a few minutes. That removes the guesswork from deciding whether to rest at home, call your doctor, or seek urgent care now. Last reviewed for medical accuracy: 10/08/2025

Q

How much REM sleep you need, and what happens without it

Most adults need roughly 90 to 120 minutes of REM sleep per night, about 20 to 25 percent of total sleep time, though the exact amount varies by age, with infants spending close to half their sleep in REM. Falling short is linked to poorer memory consolidation, trouble regulating emotions, reduced focus, stronger cravings and appetite shifts, and a weaker immune response, while severe deprivation can cause "REM rebound," where the brain overcompensates with unusually vivid or disturbing dreams. Several factors influence how much REM you actually get, including alcohol, certain antidepressants, untreated sleep apnea, irregular schedules, and short overall sleep duration, since REM is concentrated in the final hours of the night. There are important details to consider before assuming your symptoms are simply poor sleep hygiene, so see below to understand more. If daytime fog, mood changes, or unrefreshing sleep are affecting you, it helps to know whether the cause is sleep-related or something else entirely, and guessing can delay care that would actually help. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to get a clearer picture of what may be driving how you feel and what sensible next steps look like. Last reviewed for medical accuracy: 10/08/2026

Tell your friends about us.

We would love to help them too.

smily Shiba-inu looking

For First Time Users

What is Ubie’s Doctor’s Note?

We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.

Not sure about the cause of your current symptoms?

AI Symptom Check

Try our AI-based symptom checker

With an easy 3-min questionnaire, you can get a free AI-powered report on possible causes


Tips to try:

  • Provide specific, detailed info about all symptoms you have.
  • Give accurate information about yourself including current conditions.
  • Answer all follow-up questions

Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.