Allergies, including allergic rhinitis, affect an estimated 40 million to 50 million people in the United States. Some allergies may interfere with day-to-day activities or lessen the quality of life.
Food allergies are estimated to affect 4 to 6 percent of children and 4 percent of adults.
Learn about allergic skin reactions and what causes them.
People who have dust allergies are familiar with sneezing—but sneezing isn’t the only uncomfortable symptom.
Stings from five insects - honeybees, hornets, wasps, yellow jackets and fire ants - are known to cause allergic reactions to the venom injected into the skin.
Pet allergies can contribute to constant allergy symptoms, such as causing your eyes to water, or causing you to start sneezing.
Learn about eye allergies, a condition that affects millions of Americans.
If you develop a rash, hives or difficulty breathing after taking certain medications, you may have a drug allergy.
If you sneeze a lot, if your nose is often runny or stuffy, or if your eyes, mouth or skin often feels itchy, you may have allergic rhinitis.
Allergic reactions to latex may be serious and can very rarely be fatal. If you have latex allergy you should limit or avoid future exposure to latex products.
Molds live everywhere—on logs and on fallen leaves, and in moist places like bathrooms and kitchens.
Sinus disease is a major health problem. It afflicts 31 million people in the United States.
Some people develop allergy symptoms when they are around cockroaches.