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.

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.
View guideAnaphylaxis
Understand anaphylaxis warning signs, emergency epinephrine use, trigger evaluation, and the follow-up plan an allergist may recommend after a severe reaction.
View guideChronic Cough
Explore how persistent cough is evaluated for asthma, upper-airway disease, allergy, reflux, medication effects, infection, and other possible causes.
View guideContact Dermatitis
Learn how contact dermatitis is distinguished from irritation and eczema, when patch testing may help, and how product avoidance is planned.
View guideDust 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.
View guideEosinophilic Esophagitis (EoE)
Understand eosinophilic esophagitis symptoms, the role of endoscopy and biopsy, and how allergy and gastroenterology teams coordinate care.
View guideExercise-Induced Asthma
Learn about exercise-induced bronchoconstriction symptoms, testing, inhaler planning, and ways to stay active while controlling breathing problems.
View guideEye Allergies
Learn how itchy, watery, red eyes are evaluated for allergy and how exposure control, eye drops, and treatment of nasal allergy may help.
View guideHives & Angioedema
Understand acute and chronic hives, swelling without hives, common triggers, when testing helps, and when symptoms require emergency treatment.
View guideInsect Sting Allergy
Learn how systemic reactions to bees, wasps, hornets, and fire ants are evaluated and when venom testing and immunotherapy may be considered.
View guideLatex Allergy
Learn the difference between immediate latex allergy and contact dermatitis, how testing is selected, and how to plan safer medical and workplace exposure.
View guideMold Allergy
Learn how mold sensitization is interpreted with real exposure patterns and how moisture control, symptom treatment, and targeted testing may help.
View guidePet Allergies
Learn how cat and dog allergies are evaluated and how exposure changes, medicines, home strategies, and immunotherapy may reduce symptoms.
View guideSeasonal Allergies
Understand seasonal pollen allergies, symptom timing in California and Arizona, targeted testing, treatment options, and prevention strategies.
View guideFood Allergies
Explore common food allergy types, reaction patterns, targeted testing, oral food challenges, emergency planning, and treatment options.
View guideEgg Allergy
Learn about egg allergy symptoms, testing, baked-egg tolerance, supervised food challenges, emergency planning, and oral immunotherapy options.
View guideFish Allergy
Understand finned-fish allergy, species-specific testing, cross-contact, airborne cooking exposure, emergency planning, and safe dietary decisions.
View guideMilk Allergy
Learn how cow’s milk allergy differs from lactose intolerance and how testing, baked-milk challenges, nutrition, and treatment are planned.
View guidePeanut Allergy
Learn about peanut allergy diagnosis, component testing, emergency plans, school safety, early introduction, and oral immunotherapy options.
View guideSesame Allergy
Understand sesame allergy symptoms, labels and hidden forms, targeted testing, cross-contact, emergency plans, and supervised challenge decisions.
View guideShellfish Allergy
Learn the difference between crustacean and mollusk allergy, how testing is interpreted, and how to manage cross-contact and emergencies.
View guideSoy Allergy
Learn about soy allergy symptoms, testing, processed forms, label reading, nutrition, emergency plans, and decisions about supervised challenges.
View guideTree Nut Allergy
Understand walnut, cashew, pistachio, almond, pecan, and other tree-nut allergies, cross-reactivity, testing, challenges, and OIT options.
View guideWheat Allergy
Learn how wheat allergy differs from celiac disease and gluten sensitivity and how testing, exercise-related reactions, and diet are evaluated.
View guideAsthma
Learn how asthma is evaluated with symptom history, spirometry, bronchodilator response, and targeted tests while other causes of breathing symptoms are considered.
View guideChronic Sinusitis
Chronic sinusitis evaluation combines at least 12 weeks of compatible symptoms with objective findings from examination, nasal endoscopy, or CT when appropriate.
View guideNasal Polyps
Nasal polyps are inflammatory growths confirmed by examination or endoscopy. Care may include topical therapy, surgery, or biologic treatment for selected patients.
View guideDrug Allergy
Drug allergy testing uses a risk-based reaction history, selected skin testing, supervised challenges, and desensitization when medically appropriate.
View guideEczema and Dermatitis
Learn how eczema care combines daily skin-barrier treatment with selective allergy or patch testing when a specific history makes testing useful.
View guideImmune Disorders
Immunodeficiency testing evaluates recurrent or unusually severe infections through history, targeted laboratory studies, and individualized follow-up.
View guide
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.