Your Health Questions
Answered by Professionals

Blood eosinophil counts offer insight into airway inflammation and help identify eosinophilic asthma subtypes that often respond best to inhaled corticosteroids or targeted biologics using thresholds of <150, 150–300, and >300 cells/µL. Clinicians also monitor trends over time to predict treatment response and adjust management. Several factors can influence counts—from allergies and medications to infections and seasonal changes—and there are important details to consider, so see below for complete information that could impact your next steps in care.

Blood tests for food allergies measure specific immunoglobulin E levels but vary in sensitivity (around 70 to 95 percent) and specificity (50 to 85 percent), so they can yield false positives or false negatives depending on lab methods and threshold cut-offs. Multiple factors such as cross-reactivity, individual immune differences, and testing technology influence accuracy. Accurate diagnosis requires interpreting test results alongside your clinical history and other diagnostics such as skin prick tests or oral food challenges; see below for complete details on these factors and next steps in your care.

Bronchial thermoplasty is an FDA-approved, non-drug procedure for adults with severe persistent asthma that remains uncontrolled on maximal inhaled therapy and has been shown in trials to reduce severe exacerbations by up to 50% long term and cut emergency visits by more than 80% in the first year. Patients also report improved quality of life and modest lung function gains, but success depends on careful patient selection, operator experience, and diligent follow-up care. There are several factors and potential early side effects to consider, so see below to delve into all the important details before deciding on your next steps.

Bronchiectasis and severe refractory asthma can both cause persistent cough, wheezing and breathlessness but stem from different airway changes, diagnostic findings and treatment needs. Bronchiectasis involves permanent bronchi dilation, mucus buildup and recurrent infections whereas severe refractory asthma features reversible airway narrowing and inflammation that resists standard therapies. See below for key differences in imaging results, sputum and biomarker analysis, management strategies and warning signs that could guide your next healthcare steps.

CBD oil offers potential anti-inflammatory and neuromodulatory benefits that may help relieve severe chronic skin itch, with small trials in eczema and psoriasis showing modest improvements but lacking large scale confirmation. There are many factors to consider before using CBD oil such as product purity, dosing, interactions, and safety monitoring; see below for critical details on trial evidence, practical usage tips, and when to seek medical advice.

Both celiac disease and wheat allergy can trigger itchy skin reactions after eating wheat, but celiac’s dermatitis herpetiformis appears 24 to 48 hours later as symmetrical, blistering clusters requiring a strict gluten-free diet, while wheat allergy causes rapid-onset hives or angioedema within minutes to two hours and often responds to antihistamines or epinephrine. Accurate diagnosis depends on factors like timing of symptoms, rash pattern, digestive or systemic signs, and tests such as skin biopsy for dermatitis herpetiformis or IgE testing for allergy. There are several important factors to consider in choosing your next healthcare steps; see below for complete details.

Chronic bronchitis and persistent allergic asthma both trigger coughing, wheezing and breathlessness but have distinct causes, inflammation types and treatment responses. Chronic bronchitis results from long-term irritant exposure leading to a productive cough and largely irreversible airflow limitation, while allergic asthma is driven by immune reactions to allergens and typically improves with inhaled steroids. See below for a detailed comparison of symptoms, diagnosis, management strategies and important considerations for when to seek medical care.

Chronic hives lasting over six weeks are red, itchy welts caused by persistent mast cell histamine release triggered by factors like autoimmunity, physical stimuli, infections, medications, or stress. Affecting about 1% of people, they can recur daily and significantly disrupt quality of life. There are several factors to consider for diagnosis, stepwise treatment, and self-care strategies—see below for important details that can help guide your next steps.

Chronic hives standard of care follows a step by step algorithm starting with a thorough evaluation, first line treatment with standard doses of non sedating H1 antihistamines, then dose escalation with additional antihistamines or H2 blockers, and finally biologics or immunosuppressants for resistant cases. This approach aims to control symptoms, minimize side effects, and identify any underlying triggers or conditions. There are several factors to consider including lifestyle measures, follow up intervals, and rare complications, so see below for complete information and important details to guide your next steps.

Chronic idiopathic urticaria causes daily or almost daily hives and sometimes deep tissue swelling lasting six weeks or more without a clear trigger, often disrupting sleep, work, or social life. Management focuses on blocking histamine and immune mediators with daily second generation antihistamines, add on therapies such as anti IgE antibodies, and supportive measures like cool compresses and stress reduction. See complete details on the biological pathways, common triggers, diagnostic steps, and full treatment strategies below.

Chronic respiratory fatigue stems from low oxygen delivery to tissues, causing persistent tiredness, shortness of breath and reduced stamina that go beyond ordinary fatigue. There are several factors to consider, from impaired ATP generation and lactic acid buildup to increased cardiac strain and brain fog; see below for the complete science, symptom checklist and guidance on evaluation and management.

Chronic skin welts that persist beyond six weeks often indicate chronic urticaria, marked by intensely itchy, red or skin-colored bumps that can merge or migrate and may involve deeper swelling known as angioedema. Underlying causes range from autoimmune reactions and physical triggers to idiopathic factors, and management can include daily antihistamines, trigger avoidance, and advanced prescription or biologic therapies. There are several factors to consider regarding duration, warning signs, and treatment options. See below for more details to guide your next steps in care.

Cinqair IV infusion (reslizumab) is a targeted biologic add-on therapy for adults with severe eosinophilic asthma that remains uncontrolled on high-dose inhaled corticosteroids plus another controller. It requires precise patient selection, weight-based dosing over 20 to 50 minutes, and vigilant monitoring for infusion reactions and long-term safety. See below for complete guidelines on pre-infusion assessments, dosing protocols, vital-sign monitoring, emergency measures, adverse-event management, and specialist referral criteria to inform your next steps.

Component Resolved Diagnostics (CRD) food allergy testing is a precise, molecular approach that measures IgE antibodies to individual food proteins to pinpoint true allergens, distinguish cross-reactivity, and improve risk prediction. There are several factors to consider when exploring CRD, including cost, test availability, and how results fit into a comprehensive evaluation; see below to understand more. The complete answer below contains important details on specific allergen components, clinical indications, benefits, limitations, and practical next steps that could impact your healthcare decisions.

Nighttime coughing fits often stem from factors such as mucus pooling, post nasal drip, reflux, asthma or environmental irritants. They can usually be eased at home with head elevation, humidity, hydration, dietary tweaks and over the counter remedies, while warning signs like a cough lasting over three weeks, bloody sputum or high fever require prompt medical evaluation. See below for the full guide to causes, at home strategies, warning signs, diagnostic testing and next steps you won’t want to miss.

CRISPR gene editing promises to correct faulty genes at the root of inherited lung diseases such as cystic fibrosis and alpha-1 antitrypsin deficiency, potentially restoring lung function and reducing or eliminating the need for lifelong medications. There are key challenges to consider including efficient delivery to lung cells, off-target effects, immune responses, and ethical and regulatory oversight. See below to understand more important details that could influence your next steps in care.

Daily itchy welts (hives) can be triggered by allergies, infections, physical factors, stress or autoimmune issues and often itch, burn or sting. Self care measures like antihistamines, cool compresses and avoiding known triggers may offer relief. There are several factors to consider in pinpointing the cause, severity and when to seek care, so see below for complete details on evaluation, management and next steps.

Daily urticaria, or chronic hives lasting more than six weeks, can be managed effectively through a combination of antihistamines, advanced therapies, and targeted self care strategies developed with your doctor. There are several factors to consider when optimizing long term survival and quality of life. See below for a comprehensive guide on diagnosis, treatment options, lifestyle adjustments, and urgent signs to watch for that could influence your next steps.

Deep swelling under the skin with hives usually reflects urticaria combined with angioedema triggered by allergens, physical factors or chronic conditions, and while mild cases often resolve, you should seek urgent care if you notice throat tightness, breathing difficulty, dizziness or rapid heartbeat. There are several factors to consider; see below for more. A thorough medical evaluation involving history, examination and, in some cases, blood tests will guide treatments from antihistamines and corticosteroids to epinephrine, with detailed next steps and self-care recommendations outlined below.

Deep tissue swelling or angioedema affects deep skin layers and mucous membranes, causing firm, painful swelling that can involve the lips, eyelids, or airway. Normal hives are superficial, itchy welts that shift location and resolve quickly. There are several factors to consider and you can find complete details on triggers, diagnostic tests, treatment options, and when to seek urgent care below.

Delayed pressure urticaria is a chronic physical urticaria subtype where deep, tender swelling appears 4–6 hours after sustained pressure and can last up to 48 hours. Accurate diagnosis hinges on specialist evaluation using a structured timeline of history-taking, standardized pressure tests and follow-up to distinguish DPU from other conditions. There are multiple factors to consider for diagnosis, management strategies and when to seek urgent care; see below for the complete details that could guide your next steps.

Science-based dietary changes focus on reducing high-fat dairy, refined sugars, processed meats and fried foods that can thicken mucus while emphasizing hydrating fluids, anti-inflammatory spices like turmeric and ginger, omega-3 rich foods, vitamin C fruits and probiotics to help thin mucus and reduce inflammation. A sample anti-inflammatory meal plan and lifestyle tips such as avoiding irritants, using a humidifier and practicing nasal irrigation can further support clearer airways. There are several factors to consider in your healthcare journey; see below for more important details that could impact your next steps.

Inducible chronic hives are urticaria lasting six weeks or more that occur in response to specific physical or environmental triggers such as pressure, temperature changes, or sunlight. Recognizing your hive type helps tailor avoidance strategies and treatment plans; see below for detailed descriptions of each form, diagnostic steps, and management tips, as there are many factors that could influence your next healthcare steps.

Dulera combines mometasone furoate and formoterol fumarate to control inflammation and relax airway muscles in patients 12 years and older with severe persistent asthma, with the typical high-dose regimen being 2 inhalations of the 200 mcg/5 mcg strength twice daily. Physicians use lung function tests, symptom tracking and side effect assessments to tailor dosing and improve respiratory outcomes. Important factors like inhaler technique, tapering schedules, lifestyle strategies and side effect monitoring can influence your next steps; see complete details below.

Egg intolerance and egg allergy differ in how your body reacts to egg proteins. Intolerance is a non-immune digestive issue causing bloating, gas, cramps, and diarrhea, whereas an allergy is an IgE mediated immune response that can trigger hives, vomiting, breathing difficulties, or anaphylaxis. There are several factors to consider—from elimination diets and enzyme supplements for intolerance to skin tests, strict avoidance, and emergency epinephrine for allergy—so see below for the complete details that could impact your next healthcare steps.

EGPA is a rare form of vasculitis that often appears in adults with late-onset or severe asthma alongside high eosinophil counts, and early recognition of features like steroid dependence or frequent flare-ups can lead to more targeted treatment and better outcomes. There are several important factors to consider; see below for complete details on additional warning signs, diagnostic steps, and treatment options that could impact your next healthcare decisions.

Allergy blood tests that measure specific IgE antibodies can produce false positive results since cross-reactivity among proteins, high total IgE in atopic individuals, lab thresholds and non-specific antibody binding may indicate sensitization without true clinical allergy. Accurate diagnosis therefore depends on correlating test values with symptom history, exposure patterns and, if needed, supervised challenges or advanced diagnostics. There are several factors to consider. See below for important details that could affect which next steps you take in your healthcare journey.

Fasenra is a targeted monoclonal antibody that reduces eosinophil levels to lower lung inflammation, leading to up to fifty percent fewer severe asthma exacerbations in trials and confirming similar benefits in real-world settings, including better lung function and less reliance on oral steroids. There are several factors to consider when deciding if Fasenra is right for you, from blood eosinophil counts and exacerbation history to safety and cost issues. See below for complete details on eligibility, administration, monitoring, and what success looks like in daily life.

Gut reactions to foods can be caused by immune driven allergies, which involve rapid IgE responses and risk of anaphylaxis, or by enzyme driven lactose intolerance, which leads to gas, bloating and diarrhea without systemic danger. Managing allergies depends on strict avoidance, emergency epinephrine and specialized testing, while lactose intolerance is handled with dietary adjustments, lactase supplements and breath tests. There are important factors to weigh for accurate diagnosis and treatment; see below for the full details.

GI IgE allergy causes immediate immune responses in the digestive tract leading to symptoms like abdominal pain, vomiting, diarrhea, oral itching, hives, and breathing difficulties minutes to hours after eating a trigger food. Early recognition and a structured doctor evaluation can confirm the diagnosis and guide safe management to improve quality of life. Doctors may use detailed history, physical exam, skin prick and blood tests, elimination diets, oral food challenges, and sometimes endoscopy to make a definitive diagnosis but there are several factors to consider so see below for all the important details.