What are Allergies?
Allergies are your immune system's overreaction to a usually harmless substance, known as an allergen. Common allergens include pollen, dust, pet dander, and certain foods.
Symptoms
- Runny or itchy nose
- Sneezing
- Itchy skin or eyes
- Shortness of breath
Treatments
Though there is no cure for allergies, remedies include avoiding allergens, medications, and immunotherapy.