Your Health Questions
Answered by Professionals

The albumin to globulin (A/G) ratio compares albumin, the main protein produced by your liver, with globulins, the proteins involved in immunity, clotting, and inflammation, and most labs consider roughly 1.0 to 2.5 normal. A lower than normal ratio can signal liver disease, kidney protein loss, chronic inflammation, autoimmune conditions, or certain blood cancers, while a higher ratio may reflect dehydration, low antibody production, or thyroid issues. There are several factors to consider, including hydration, pregnancy, medications, and lab-specific reference ranges, so review the complete explanation below before drawing conclusions from one number. Because an abnormal A/G ratio is a clue rather than a diagnosis, pairing your lab result with your actual symptoms is the fastest way to understand what may be driving it. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see possible causes based on your answers and get clear guidance on whether to monitor, retest, or see a doctor next. Last reviewed for medical accuracy: 10/22/2026

The BUN to creatinine ratio compares two waste products in your blood to help your doctor pinpoint whether a kidney concern starts before, inside, or after the kidneys, with a typical range falling near 10:1 to 20:1. A high ratio often points to dehydration, blood loss in the digestive tract, a high protein intake, heart failure, or reduced blood flow reaching the kidneys, while a low ratio can suggest liver disease, malnutrition, pregnancy, or muscle loss. Because medications, age, hydration status, and recent meals can all shift the number, the result is read alongside symptoms and other labs rather than on its own, and several important factors are explained below. If you are reviewing results and wondering what your own numbers may mean for you, a free, instant <a href="https://ubiehealth.com/">symptom check</a> can help you connect your lab findings to what you are actually feeling and clarify which questions to raise next. It takes only a few minutes, requires no sign-up, and gives you a clearer sense of urgency and next steps before your appointment. Last reviewed for medical accuracy: 10/22/2026

Research suggests honey may modestly reduce cough frequency and severity, especially nighttime cough in children over age 1, performing comparably to or better than some over-the-counter cough remedies like dextromethorphan or diphenhydramine. Evidence quality remains low to moderate, dosing varies (roughly 1 to 2 teaspoons, alone or in warm water), and honey must never be given to infants under 12 months due to infant botulism risk; there are several other important factors to consider, outlined below. Honey also does not treat the underlying cause, so a cough lasting more than three weeks, or one with fever, wheezing, chest pain, or blood, needs medical evaluation. Because coughs stem from many different causes ranging from viral infections and allergies to asthma, reflux, or pneumonia, knowing which one you are dealing with determines whether honey is enough or whether you need care. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what may be driving your cough and what steps to take next. Last reviewed for medical accuracy: 10/22/2026

The first 48 hours after day surgery typically bring grogginess from anesthesia, mild to moderate pain at the surgical site, nausea, sore throat from breathing tubes, bruising or swelling, and fatigue, along with instructions to rest, avoid driving, keep dressings dry, and have a responsible adult nearby. Warning signs that need prompt attention include heavy bleeding, fever, spreading redness or pus, trouble breathing, chest pain, calf swelling, inability to urinate, or pain that worsens instead of easing. How your own recovery unfolds depends on the procedure, the type of anesthesia, and your health history, so see below to understand more before deciding what is normal for you. Because ordinary post-operative soreness and the first hints of infection, clotting, or anesthesia complications can feel remarkably similar in these early hours, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you organize what you are feeling and compare it against possible causes in just a few minutes. It costs nothing, requires no appointment, and can clarify whether to rest at home, call your surgical team, or seek emergency care now. Last reviewed for medical accuracy: 10/22/2026

An "H" flag means a lab result is higher than the reference range, while an "L" flag means it falls below that range, and these markers simply draw a clinician's attention to values that sit outside expected norms. Flagged results do not automatically indicate disease, since reference ranges vary by lab, age, sex, pregnancy, medications, hydration, fasting status, and even recent exercise. Some flagged values are clinically meaningless, while others, especially critical flags like "HH" or "LL," signal a need for prompt follow-up. There are several important factors that determine whether your flag matters, and they are explained in detail below. If you are staring at an H or L next to a number and wondering whether it is serious, context is everything, and a single value rarely tells the whole story. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to connect your lab flags with what you are actually experiencing and get clear guidance on whether to monitor, retest, or speak with a clinician soon. Last reviewed for medical accuracy: 10/22/2026

The TSH blood test measures thyroid-stimulating hormone, a pituitary hormone that signals your thyroid to produce T4 and T3, making it the most sensitive early indicator of an under- or overactive thyroid. High TSH usually points to hypothyroidism, while low TSH often suggests hyperthyroidism, though results are interpreted alongside free T4, free T3, thyroid antibodies, pregnancy status, medications, and age-specific reference ranges. Several factors can shift your numbers without true thyroid disease, so see below to understand the full picture before drawing conclusions. Because fatigue, weight changes, hair loss, palpitations, anxiety, and cold or heat intolerance overlap with many other conditions, your symptoms matter as much as your lab value. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which possible causes fit your pattern and which tests or specialists to discuss next. Last reviewed for medical accuracy: 10/22/2026

Thyroid peroxidase antibodies (TPO antibodies) are immune proteins that attack the enzyme your thyroid uses to make hormones, and elevated levels most often point to autoimmune thyroid disease such as Hashimoto's thyroiditis or, less commonly, Graves' disease. A positive result does not always mean your thyroid is currently underactive or overactive, since TPO antibodies can appear years before symptoms begin and are found in some healthy people, so results are interpreted alongside TSH, free T4, symptoms, and pregnancy status. There are several important factors that change what your number actually means, including antibody level, thyroid hormone results, and personal risk factors, so see below to understand more. Because the same antibody result can signal anything from a lifelong watch-and-wait situation to a thyroid condition that needs treatment now, it helps to organize your symptoms and lab context before your next appointment. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which conditions may explain how you are feeling and what questions to raise with your doctor next. Last reviewed for medical accuracy: 10/22/2025

Before signing, ask what the procedure involves, why it is recommended, who will actually perform it, and what happens if you delay or decline. Also confirm the specific risks and complication rates, the type of anesthesia, expected recovery time, nonsurgical alternatives, and the full cost, including anyone outside your insurance network. Several of these details vary by patient, surgeon, and facility, and a few can change your decision entirely, so review the complete list below to understand more before you add your signature. If you are still unsure why surgery is being recommended or whether your symptoms point to something that could be managed another way, it helps to walk through your situation step by step first. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to clarify what may be driving your symptoms, build a focused list of questions for your surgeon, and feel confident about your next steps. Last reviewed for medical accuracy: 10/22/2026

Packing for day surgery comes down to a few essentials: photo ID and insurance details, your hospital admission paperwork and consent forms, a current list of medications and allergies, and loose, comfortable clothing with flat slip-on shoes. You should also bring any required medical devices such as glasses, hearing aids, an inhaler, a CPAP mask, or crutches, plus a case for contact lenses or dentures, and arrange a responsible adult to drive you home. Leave jewelry, valuables, large sums of cash, makeup, and nail polish at home, and follow your fasting instructions carefully. Several factors change this list, including the type of procedure, the anesthesia used, whether you have diabetes or sleep apnea, and your hospital's own policies, so see the complete list below before you pack. If symptoms are what brought you to this surgery, or if new discomfort appears before or after your procedure, a free, instant online <a href="https://ubiehealth.com/">symptom check</a> can help you understand what may be going on in minutes and show you which questions to raise with your surgical team, so you walk in prepared rather than guessing. Last reviewed for medical accuracy: 10/22/2026

Most surgical and anesthesia teams ask patients to hold stimulant medications such as Adderall, Ritalin, Vyvanse, or Concerta on the morning of surgery, often for 24 hours beforehand, because they can elevate heart rate and blood pressure and interact with anesthetic agents. However, the right answer depends on the specific drug, dose, procedure type, sedation plan, and your cardiac history, and stopping suddenly may bring fatigue, low mood, or trouble focusing, so there are several important factors to consider below. Never adjust a stimulant on your own; confirm the plan with your surgeon, anesthesiologist, and prescribing clinician, and report your exact dose and the last time you took it when you arrive. Details on timing, the small-sip-of-water rule, rebound symptoms, and when to restart your medication after surgery are outlined below. If you are feeling unwell or unsure whether your symptoms need attention before your procedure, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you clarify what you are experiencing in minutes, flag issues worth mentioning to your care team, and walk into your pre-op call prepared instead of guessing. Last reviewed for

If you develop a fever the day before surgery, call your surgeon's office or pre-op nurse right away, since even a low-grade temperature above 100.4°F (38°C) can signal an infection that raises anesthesia and healing risks. Your care team may postpone the procedure, order bloodwork or imaging, or clear you to proceed if the fever is mild and has an obvious, non-infectious cause. Avoid taking fever reducers before you call, because masking the temperature can hide important information, and continue following your fasting and medication instructions until you are told otherwise. Several factors influence whether surgery goes ahead, including the type of operation, your symptoms, and your underlying health. See below to understand more about these details before you decide what to do. Because fevers before surgery can stem from anything from a minor virus to a urinary or respiratory infection, getting a clearer picture of your symptoms first can help you have a more productive conversation with your surgical team. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> takes just a few minutes, helps you identify which symptoms matter most to report, and points you toward the right next steps, whether that means an urgent call to your surgeon, a same-day visit, or simple monitoring at home. With surgery scheduled hours away, that clarity is worth the few minutes it takes. Last reviewed for medical accuracy: 10/22/2026

If you realize you forgot to declare a medicine, act immediately: tell a customs officer or border official before you are screened, since voluntary disclosure usually results in a warning rather than a penalty, and keep your prescription, doctor's letter, and original labeled packaging on hand to prove legitimate personal use. Rules vary widely by country, especially for controlled substances, opioids, stimulants, and certain cold and allergy drugs, so consequences can range from simple confiscation to fines or legal action, and there are several important factors to consider below. If the medicine is seized, ask about options for a local prescription or pharmacy equivalent so you do not miss doses, and let your doctor know, because stopping some medications abruptly can trigger withdrawal or a flare of your condition. Missed or interrupted doses can cause new symptoms such as dizziness, nausea, headaches, rebound pain, anxiety, or rapid heartbeat, and it is not always obvious whether what you feel is withdrawal, a worsening illness, or something unrelated like travel stress or infection. Taking a free, instant, private <a href="https://ubiehealth.com/">symptom check</a> online takes only a few minutes, helps you understand what may be driving your symptoms, and shows you whether to monitor at home, visit a local pharmacy, or seek urgent care while you are away from your usual doctor. Last reviewed for medical accuracy: 10/22/2026

The night before surgery usually means stopping food and drink at the time your surgical team specified, showering with any prescribed antiseptic soap, and skipping lotions, makeup, nail polish, and jewelry. You may also need to adjust or pause certain medications, avoid alcohol and smoking, arrange your ride home, and pack loose clothing plus your ID and insurance details. Getting solid sleep and setting an early alarm matter more than most people expect, since delays and missed instructions can cause a procedure to be postponed. Several important factors depend on your specific operation, anesthesia type, and health history, so see below to understand more before you finalize your plans. If you are feeling anxious, noticing new symptoms, or unsure whether something like a cough, fever, or stomach upset could affect tomorrow's procedure, a free, instant <a href="https://ubiehealth.com/">symptom check</a> can help you organize what you are experiencing in minutes and clarify whether you should call your surgical team tonight rather than waiting until morning. Last reviewed for medical accuracy: 10/22/2026

If thrush symptoms persist after a full course of antifungal treatment, possible reasons include incorrect dosing or an unfinished course, a resistant strain of Candida, reinfection from a partner or from unsterilized dentures, bottles or pacifiers, or an underlying condition such as uncontrolled diabetes, immune suppression, or inhaled steroid use, and in some cases the issue is not thrush at all but another condition that mimics it. Next steps usually involve returning to a clinician for swab testing or culture, switching to a different or longer antifungal regimen, treating partners or disinfecting equipment, and addressing contributing health factors. There are several important factors that determine which step applies to you, so see below to understand more before changing or repeating treatment. Because persistent thrush can signal anything from a simple treatment error to a resistant infection or an undiagnosed health problem, it helps to narrow down the likely cause before your next appointment. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what may be driving your ongoing symptoms and what to do next. Last reviewed for medical accuracy: 10/22/2026

Tell your anaesthetist and surgical team exactly what happened, including the type of procedure, the drugs used if you know them, and the symptoms you experienced, such as severe nausea and vomiting, a rash or swelling, breathing trouble, a dangerously high temperature, slow waking, confusion, or awareness during surgery. Mention any family history of problems with anaesthesia, since conditions like malignant hyperthermia and pseudocholinesterase deficiency run in families, and bring old anaesthetic records, discharge papers, or a medical alert card if you have them. Also list every current medication, supplement, allergy, and past reaction, because the wording you use helps the team decide whether to avoid certain agents, choose a regional or local technique, or order allergy testing before your operation. There are important distinctions between a true allergy, a side effect, and a genetic reaction, and each one changes the plan, so see below to understand more. If you are unsure whether what you experienced was a side effect, an allergy, or something more serious, a free, instant online <a href="https://ubiehealth.com/">symptom check</a> can help you organize your symptoms into clear language, flag warning signs worth raising urgently, and prepare the specific questions to ask before your next procedure. Last reviewed for medical accuracy: 10/22/2026

Total protein on a blood test measures the combined amount of albumin and globulin circulating in your blood, the two protein groups that maintain fluid balance, carry nutrients and hormones, support clotting, and power immune defense. Results typically fall in a reference range of about 6.0 to 8.3 g/dL, and values above or below that can signal dehydration, liver or kidney disease, malnutrition, chronic inflammation, or a bone marrow disorder. Because the albumin to globulin ratio, your medications, and related liver panel values all change how a result should be read, there are several important factors to consider before drawing conclusions, explained in full below. An abnormal total protein number is a clue, not a diagnosis, and the symptoms you are experiencing alongside it often point toward which direction to investigate first. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see which conditions may match your pattern and to walk into your next appointment with clearer questions and better focus. Last reviewed for medical accuracy: 10/22/2026

Blood urea nitrogen (BUN) measures how much nitrogen waste from urea is circulating in your blood, a byproduct your liver creates when it breaks down protein and your kidneys normally filter out into urine. Results usually fall in a reference range of roughly 7 to 20 mg/dL, and values above or below that can reflect dehydration, reduced kidney function, a very high or very low protein intake, certain medications, liver disease, or heart failure. Because the number is interpreted alongside creatinine, the BUN-to-creatinine ratio, hydration status, age, and other lab values, a single result rarely tells the whole story, and there are several important details to consider before drawing conclusions. See below for the complete explanation of what each range may mean and when follow-up testing is recommended. If you are reviewing an abnormal BUN result or noticing symptoms like fatigue, swelling, changes in urination, or ongoing thirst, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you connect what your labs show with what your body is telling you and clarify which next steps, and which type of doctor, make the most sense right now. Last reviewed for medical accuracy: 10/22/2026

Vitamin C does not prevent colds in most people, but taking it consistently before symptoms start may slightly shorten how long a cold lasts and ease its severity. Starting high doses after symptoms begin shows little to no benefit, and amounts above roughly 2,000 mg daily can cause diarrhea, nausea, or kidney stones in some people. There are important exceptions, dosing details, and risk factors to consider, so see below to understand more. Because cold symptoms overlap with flu, COVID-19, sinus infections, strep throat, and allergies, guessing wrong can mean waiting too long for treatment that actually works. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to see what your symptoms may point to and what sensible next steps look like. Last reviewed for medical accuracy: 10/22/2026

White blood cells in urine, known as pyuria, usually signal inflammation or infection somewhere in the urinary tract, most often a bladder infection, kidney infection, or urethritis. Other causes include kidney stones, sexually transmitted infections, vaginal or prostate inflammation, certain medications, dehydration, pregnancy, and sample contamination, so the number of cells alone does not confirm a diagnosis. Accompanying clues such as burning with urination, urgency, cloudy or foul-smelling urine, flank pain, fever, or blood in the urine help narrow the cause, and sterile pyuria with no bacteria points toward a different set of conditions entirely. There are several important factors to consider, including when this finding needs urgent care, and the details are explained below. Because the same lab result can mean a simple treatable infection or something that needs prompt attention, it helps to look at your full symptom picture rather than one number; a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can organize what you are experiencing, suggest possible causes, and show you what to do next before your appointment. Last reviewed for medical accuracy: 10/22/2026

GLP-1 medications like semaglutide or tirzepatide are typically restarted once you are tolerating food and fluids normally, your bowel function has returned, and your surgical site is healing well, which for many people falls somewhere between a few days and a few weeks after the procedure. The exact timing depends on the type of surgery, your anesthesia recovery, nausea or vomiting risk, blood sugar control, and whether the drug was prescribed for diabetes or weight management, so there are several important factors to consider. Many surgeons and prescribers also resume at a lower dose and re-titrate rather than returning straight to your prior dose. See below to understand more about the specific timelines, dose restart strategies, and warning signs that mean you should wait longer. If you are unsure whether your recovery is on track or whether symptoms like persistent nausea, vomiting, or abdominal pain should delay restarting your medication, a free, instant <a href="https://ubiehealth.com/">symptom check</a> can help you sort typical post-operative recovery from something that needs prompt medical attention, and point you toward the right next step before your follow-up appointment. Last reviewed for medical accuracy: 10/22/2026

Antibiotic ointment helps most for shallow, dirty, or friction-prone cuts and scrapes, where keeping the wound moist and covered lowers infection risk and reduces scabbing; it does nothing for clean, closed, or already-healing wounds, and it will not treat an infection that has already set in. It is not appropriate for deep punctures, animal or human bites, burns with blisters, surgical incisions, or wounds that need stitches, and daily use can trigger allergic contact dermatitis or contribute to resistance. Plain petroleum jelly plus a clean bandage works about as well for routine minor cuts, so gentle washing with soap and water remains the most important step. Spreading redness, warmth, swelling, pus, fever, or pain that worsens after day two signals a problem an ointment cannot fix. Several factors determine which approach fits your wound, including depth, cause, contamination, and your own health history, so see below to understand more before you reach for the tube. If you are unsure whether your cut is healing normally or heading toward infection, guessing can cost you time that matters. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> asks about your wound, your symptoms, and your risk factors, then helps you understand what may be going on and whether home care, a pharmacist, urgent care, or a doctor is the right next step. It takes a few minutes, requires no appointment, and gives you clear language to use when you do speak with a clinician. Last reviewed for medical accuracy: 10/22/2026

Cold sore cream, including antivirals like acyclovir, penciclovir, and docosanol, works best when applied at the earliest tingling, itching, or burning stage, ideally within the first 24 to 48 hours before blisters fully form. Once the blister has burst and crusted into a scab, the virus has largely finished replicating, so cream mainly soothes dryness and cracking rather than shortening the outbreak. Timing is not the only variable, as outbreak severity, how often sores recur, immune status, and whether oral antiviral tablets would be more effective all change the right approach. Signs such as sores lasting longer than two weeks, spreading near the eyes, frequent recurrences, or fever and swollen glands point to a need for medical review rather than continued self-treatment. There are several important details and exceptions to weigh before deciding whether to keep applying cream, so review the complete answer below. If you are unsure whether you are still in the window where treatment helps, or whether your symptoms are something other than a typical cold sore, guessing can cost you the few hours that matter most. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> lets you describe what you are actually experiencing, including stage, location, and duration, and get clear information on possible causes and the appropriate next steps. It takes only a few minutes, requires no appointment, and can help you decide whether home treatment is reasonable or whether a clinician should take a look now. Last reviewed for medical accuracy: 10/22/2026

Imodium (loperamide) should be avoided if you have bloody or black stools, a high fever, severe abdominal pain, or signs of a bacterial infection such as Salmonella, Shigella, or C. difficile, because slowing the bowel can trap toxins and worsen illness. It is also not recommended for people with ulcerative colitis flares, suspected bowel obstruction, certain liver problems, or children under 12 without medical advice. Dehydration, recent antibiotic use, and travel history all change what is safe to take. There are several important factors and warning signs to consider before using it, so see below to understand more. If your diarrhoea comes with any of these red flags, guessing wrong can delay care you actually need. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you sort ordinary stomach upset from something that warrants testing or a prescription, and point you toward the right next step in minutes. Last reviewed for medical accuracy: 10/22/2026

Self-treatment should stop when symptoms last longer than 7 to 10 days, keep returning, worsen instead of improving, or stop responding to over-the-counter remedies, and warning signs like high fever, severe or escalating pain, trouble breathing, chest pressure, confusion, uncontrolled bleeding, unexplained weight loss, or dehydration call for prompt medical care rather than another home remedy. Timing and risk factors matter too, since infants, older adults, pregnant people, and anyone with a chronic condition or weakened immune system should be seen sooner, and several other important red flags and exceptions are explained below. See below to understand which symptoms can wait and which should not. Because the line between "wait it out" and "get seen now" depends on your exact symptoms, duration, and health history, guessing can cost you time you may not have. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> walks you through targeted questions and helps you understand what might be going on and how urgently to act. It takes only a few minutes and gives you clearer, more confident next steps before you decide whether to keep self-treating or book a visit. Last reviewed for medical accuracy: 10/22/2026

A high platelet count (thrombocytosis) becomes concerning when levels exceed roughly 450,000 per microliter, especially if they persist over multiple blood tests or climb above 1 million, or if you develop headaches, dizziness, vision changes, chest pain, numbness or tingling in the hands and feet, unusual bruising, or bleeding. Most cases are reactive and temporary, triggered by infection, inflammation, iron deficiency, recent surgery, or removal of the spleen, but a smaller share stem from bone marrow disorders such as essential thrombocythemia that raise the risk of blood clots and stroke. Your age, other blood cell levels, symptoms, and how long the elevation has lasted all change how urgent the situation is, so there are several important factors to consider before assuming it is harmless. See below to understand which patterns call for prompt evaluation, which tests doctors typically order next, and when immediate care is warranted. Because platelet numbers alone rarely tell the whole story, the fastest way to put your result in context is to look at it alongside your symptoms and health history. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> walks you through targeted questions in just a few minutes, flags whether your situation points toward a reactive cause or something needing specialist attention, and gives you a clear, organized starting point for your next conversation with a clinician. Last reviewed for medical accuracy: 10/22/2026

A1c and fasting glucose can point in different directions because they measure different things: A1c reflects average blood sugar over about three months, while fasting glucose captures a single moment after not eating. Discrepancies are common and may stem from anemia, kidney or liver disease, pregnancy, recent blood loss or transfusion, certain hemoglobin variants, vitamin deficiencies, lab timing, or medications, and in some cases one test flags prediabetes or diabetes while the other reads normal. Which result matters more depends on your individual situation, so several important factors are explained below, including when repeat testing, an oral glucose tolerance test, or a fructosamine check is typically recommended. Conflicting lab results are stressful, and guessing can mean either unnecessary worry or a missed early diagnosis, so it helps to organize your symptoms and risk factors before your next appointment. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what your numbers and symptoms could mean and what step to take next. Last reviewed for medical accuracy: 10/22/2026

Whether a cold or COVID cancels your operation depends on how sick you are, the type of surgery, and your surgical team's policies, with mild sniffles sometimes acceptable but fever, productive cough, or active COVID infection usually prompting a delay. Anesthesia irritates inflamed airways, raising the risk of breathing complications, so surgeons often postpone elective procedures for two to four weeks after symptoms resolve, and longer after a significant COVID illness. Urgent and emergency operations typically proceed regardless, with added precautions. Several factors shape the final decision, including your oxygen levels, lung health, and whether the surgery involves the chest or airway. See below to understand the full details before assuming your procedure is off. Feeling under the weather before a scheduled surgery is stressful, and guessing whether your symptoms are "bad enough" to matter wastes time you could spend preparing or calling your surgical team. A free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you sort out whether you are dealing with a simple cold, COVID, flu, or something that needs prompt attention, and it takes just a few minutes. Knowing what is likely going on gives you clearer language to use when you call your surgeon or anesthesiologist, which can mean a faster answer about rescheduling. Use it now so you can stop worrying and start acting. Last reviewed for medical accuracy: 10/22/2026

Black coffee is often allowed up to about 2 hours before surgery under modern fasting guidelines, because it counts as a clear liquid, while adding milk, cream, or non-dairy creamer changes it into a food that can slow stomach emptying and raise aspiration risk, usually requiring a 6 to 8 hour fast. Timing rules vary by anesthesia type, procedure, and conditions like diabetes, reflux, or delayed gastric emptying, and your surgical team's instructions always override general guidance. There are several important details to consider, including how much milk matters, what happens if you slip up, and which drinks count as clear. See below to understand more before your procedure date. If caffeine withdrawal, nausea, stomach discomfort, or reflux symptoms are complicating your pre-surgery prep, a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> can help you organize what you are feeling in minutes and flag issues worth raising with your surgeon or anesthesiologist, so you walk into your appointment with clear questions and a smarter plan for next steps. Last reviewed for medical accuracy: 10/22/2026

Creatine is generally considered safe and does not always require stopping before an operation, though many surgeons and anesthesiologists advise pausing it roughly 1 to 2 weeks beforehand because it can affect hydration status, kidney function markers such as serum creatinine, and blood test interpretation. Your personal timeline depends on your dose, kidney health, the type of procedure, anesthesia plans, and whether you take other supplements or medications, so there are several important factors to consider before deciding. See below for the full guidance, including how creatine may alter pre-op lab results and what to tell your surgical team. Because stopping or continuing a supplement at the wrong time can complicate your recovery, and because symptoms like swelling, muscle cramps, dark urine, or fatigue can signal something that needs attention before surgery, it helps to get clarity fast. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what your body is telling you and to navigate your next steps with confidence. Last reviewed for medical accuracy: 10/22/2026

Most surgeons advise stopping fish oil and other omega-3 supplements roughly 7 days before a scheduled procedure, since high doses can affect platelet function and may slightly increase bleeding risk, though newer research suggests that risk is smaller than once believed. The right answer depends on your dose, the type of surgery, anesthesia plans, and whether you take blood thinners or have a bleeding or clotting history, so recommendations are not identical for everyone. There are several important factors and exceptions to weigh, and the complete answer below explains them in detail, including what to do if you have already taken a dose or if your surgery is only a day or two away. If you are also noticing symptoms like easy bruising, unusual bleeding, prolonged healing, or fatigue while taking supplements, it helps to get clarity before your pre-op appointment rather than guessing. Take a free, instant, online <a href="https://ubiehealth.com/">symptom check</a> to better understand what may be going on, organize your questions, and walk into your surgical consultation ready to make a confident, informed decision about your supplements. Last reviewed for medical accuracy: 10/22/2026