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Conditions

Allergy, Asthma, and Immune Conditions

Start with the symptom or diagnosis you are trying to understand. These condition guides explain patterns, testing limits, urgent warning signs, and the related service that can answer the next clinical question.

Patient using a prescribed asthma inhaler.

How to Use This Guide

Start with the clinical question

Start with the pattern, not a test name

Choose the condition that best matches the timing and body systems involved. Nasal, eye, skin, breathing, food, medication, and immune concerns can overlap, but the useful first questions differ. A focused history usually determines whether testing, treatment review, emergency planning, or another specialty should come next.

Prepare information that changes the visit

Bring a dated symptom or reaction timeline, complete prior reports, current medicines and devices, photographs, and the exposure details that support or contradict the suspected diagnosis. Continue emergency precautions and prescribed treatment unless the care team gives appointment-specific instructions.

Explore the Directory

Explore allergy, asthma, and immune conditions

Choose the allergy, asthma, and immune conditions guide that most closely matches the symptom, diagnosis, test, or treatment question you want to understand.

Allergic Rhinitis (Hay Fever)

Learn how allergists evaluate allergic rhinitis, identify relevant pollen or indoor triggers, and build a treatment plan for persistent hay fever symptoms.

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Anaphylaxis

Understand anaphylaxis warning signs, emergency epinephrine use, trigger evaluation, and the follow-up plan an allergist may recommend after a severe reaction.

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Chronic Cough

Explore how persistent cough is evaluated for asthma, upper-airway disease, allergy, reflux, medication effects, infection, and other possible causes.

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Contact Dermatitis

Learn how contact dermatitis is distinguished from irritation and eczema, when patch testing may help, and how product avoidance is planned.

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Dust Mite Allergy

Learn how dust mite allergy can affect the nose, eyes, skin, and asthma, and how targeted testing, home measures, and immunotherapy may help.

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Eosinophilic Esophagitis (EoE)

Understand eosinophilic esophagitis symptoms, the role of endoscopy and biopsy, and how allergy and gastroenterology teams coordinate care.

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Exercise-Induced Asthma

Learn about exercise-induced bronchoconstriction symptoms, testing, inhaler planning, and ways to stay active while controlling breathing problems.

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Eye Allergies

Learn how itchy, watery, red eyes are evaluated for allergy and how exposure control, eye drops, and treatment of nasal allergy may help.

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Hives & Angioedema

Understand acute and chronic hives, swelling without hives, common triggers, when testing helps, and when symptoms require emergency treatment.

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Insect Sting Allergy

Learn how systemic reactions to bees, wasps, hornets, and fire ants are evaluated and when venom testing and immunotherapy may be considered.

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Latex Allergy

Learn the difference between immediate latex allergy and contact dermatitis, how testing is selected, and how to plan safer medical and workplace exposure.

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Mold Allergy

Learn how mold sensitization is interpreted with real exposure patterns and how moisture control, symptom treatment, and targeted testing may help.

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Pet Allergies

Learn how cat and dog allergies are evaluated and how exposure changes, medicines, home strategies, and immunotherapy may reduce symptoms.

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Seasonal Allergies

Understand seasonal pollen allergies, symptom timing in California and Arizona, targeted testing, treatment options, and prevention strategies.

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Food Allergies

Explore common food allergy types, reaction patterns, targeted testing, oral food challenges, emergency planning, and treatment options.

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Egg Allergy

Learn about egg allergy symptoms, testing, baked-egg tolerance, supervised food challenges, emergency planning, and oral immunotherapy options.

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Fish Allergy

Understand finned-fish allergy, species-specific testing, cross-contact, airborne cooking exposure, emergency planning, and safe dietary decisions.

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Milk Allergy

Learn how cow’s milk allergy differs from lactose intolerance and how testing, baked-milk challenges, nutrition, and treatment are planned.

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Peanut Allergy

Learn about peanut allergy diagnosis, component testing, emergency plans, school safety, early introduction, and oral immunotherapy options.

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Sesame Allergy

Understand sesame allergy symptoms, labels and hidden forms, targeted testing, cross-contact, emergency plans, and supervised challenge decisions.

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Shellfish Allergy

Learn the difference between crustacean and mollusk allergy, how testing is interpreted, and how to manage cross-contact and emergencies.

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Soy Allergy

Learn about soy allergy symptoms, testing, processed forms, label reading, nutrition, emergency plans, and decisions about supervised challenges.

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Tree Nut Allergy

Understand walnut, cashew, pistachio, almond, pecan, and other tree-nut allergies, cross-reactivity, testing, challenges, and OIT options.

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Wheat Allergy

Learn how wheat allergy differs from celiac disease and gluten sensitivity and how testing, exercise-related reactions, and diet are evaluated.

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Asthma

Learn how asthma is evaluated with symptom history, spirometry, bronchodilator response, and targeted tests while other causes of breathing symptoms are considered.

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Chronic Sinusitis

Chronic sinusitis evaluation combines at least 12 weeks of compatible symptoms with objective findings from examination, nasal endoscopy, or CT when appropriate.

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Nasal Polyps

Nasal polyps are inflammatory growths confirmed by examination or endoscopy. Care may include topical therapy, surgery, or biologic treatment for selected patients.

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Drug Allergy

Drug allergy testing uses a risk-based reaction history, selected skin testing, supervised challenges, and desensitization when medically appropriate.

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Eczema and Dermatitis

Learn how eczema care combines daily skin-barrier treatment with selective allergy or patch testing when a specific history makes testing useful.

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Immune Disorders

Immunodeficiency testing evaluates recurrent or unusually severe infections through history, targeted laboratory studies, and individualized follow-up.

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Patient experiencing persistent sinus symptoms.

A Focused Next Step

Connect the guide with the right appointment

The allergy, asthma, and immune conditions directory groups the pages that answer different parts of the evaluation or treatment decision. Open the closest match, note the unanswered question, and bring the source records described there.

For allergy, asthma, and immune conditions, the scheduling team can use that question to identify a relevant clinic, provider, and appointment type.

From Symptoms to the Right Guide

Use the condition directory to narrow the clinical question

A condition page should help you organize a concern, not force several symptoms into one diagnosis. Begin with the dominant pattern: immediate reaction, recurring exposure-related symptoms, persistent inflammation, breathing limitation, recurrent infection, or a skin problem. Then compare the timing, affected body systems, repeatability, and objective findings described in the guide.

If more than one page seems relevant, note the overlap instead of choosing a label yourself. A patient may have nasal disease and asthma, eczema and contact allergy, or a food reaction that needs to be separated from intolerance. Bring that uncertainty to the visit; it helps the clinician decide whether the next step is targeted testing, treatment review, another specialty, or continued observation.

Use the urgent-care guidance on the relevant page when symptoms are active. Severe breathing difficulty, fainting, throat or tongue swelling, confusion, or a rapidly progressing multi-system reaction should not wait for a routine appointment.

Find care for allergy, asthma, and immune conditions

Review the Modena Health clinic nearest you, then contact scheduling with the specific allergy, asthma, and immune conditions question you want the visit to answer.