Immune System

The immune system is the body’s natural defense system that helps fight infections. The immune system attacks organisms and substances that invade body systems and cause disease.

Allergic Rhinitis

Discusses allergic rhinitis. Covers common immediate and chronic symptoms. Looks at what increases risk. Covers treatment options. Offers prevention and treatment tips.

Allergies in Children: Giving an Epinephrine Shot to a Child

Anaphylaxis is a severe allergic reaction. If your child has had a severe allergic reaction in the past, you know how frightening it can be. Symptoms of breathing problems, itching, nausea or vomiting, and swelling can come on quickly and become life-threatening. Giving your child an epinephrine shot can slow down or…

Allergies to Insect Stings

Explains allergies to insect stings. Covers symptoms. Discusses local and systemic reactions. Covers diagnosis and treatment options. Offers home treatment tips.

Allergies: Avoiding Indoor Triggers

Discusses ways to avoid indoor allergy triggers. Covers common indoor allergens such as dust mites and pet dander. Covers reasons to avoid them. Offers cleaning tips to reduce allergens in the home.

Allergies: Avoiding Outdoor Triggers

Allergic rhinitis causes symptoms of sneezing, congestion, and a runny nose. But you can control these symptoms with medicine and by avoiding the things that cause them ( allergens ). If you are allergic to outdoor allergens, such as pollen and mold, you don’t have to give up an outdoor life. You just need to know when…