What causes seasonal allergies?

Chadwick N. Ahn, MD
Ear, Nose & Throat (Otolaryngology)
Seasonal allergies are caused by  inhaling or ingesting components that cause an inflammatory response. Watch Chadwick Ahn, MD, of Frankfort Regional Medical Center, explain.
The main culprit for allergies is pollen. Most allergies that patients experience tend to be around spring when pollen is released by trees, grass and flowers blooming. Pollen is considered a foreign attacker to your body, so your immune system kicks into high gear and tries to protect the body by releasing antibodies and histamines to fight it off. Even though histamines are trying to protect you, they are what cause the allergy symptoms you try to fight.

Continue Learning about Allergies



About one out of five Americans suffers from allergies. An allergy is an exaggerated response from the immune system to a substance such as dust, pollen, pet dander or mold. Other common triggers include foods such as peanuts and ...

milk; insect bites; and certain ingredients in cosmetics and jewelry. Allergies can cause anything from rashes and hives to itchy eyes, sneezing, coughing, diarrhea, vomiting, and wheezing.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.