Allergy
An allergy is an immune system overreaction to typically harmless substances, known as allergens. When exposed, the body produces specific antibodies, triggering a range of symptoms from mild discomfort to severe, life-threatening reactions. It's essentially a hypersensitivity response to an otherwise innocuous environmental trigger.
Common Symptoms
- Sneezing and runny nose
- Itchy, watery eyes
- Skin rashes (hives, eczema)
- Wheezing or shortness of breath
Clinical Sources
- Allergic Reaction: Causes, Symptoms & TreatmentsCleveland Clinic
- Allergies: Types, Symptoms, Treatment & ManagementCleveland Clinic
Diagnostic Lab Tests
Tests commonly used to diagnose or monitor Allergy:
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