Interactive Tools

Use oursymptom testto find out if you suffer from allergies orAsthma is a chronic, inflammatory lung disease characterized by recurrent breathing problems. People with asthma have acute episodes where the air passages in their lungs get narrower, and breathing becomes more difficult. Sometimes episodes of asthma are triggered by allergens, although infection, exercise, cold air and other factors are also important triggers." rel="tooltip">asthma. Our shared decision-making tools will walk you through options to discuss with your allergist if you suffer from allergies,An inflammation of the skin, usually causing itching and sometimes accompanied by crusting, scaling or blisters. A type of eczema often made worse by allergen exposure is termed "atopic dermatitis."" rel="tooltip">eczema或严重哮喘。