As spring blooms in May, weed pollen peaks—triggering allergies for millions. Explore the science behind this reaction and ...

Abruptly stopping these antihistamines after long-term use without tapering can lead to severe itching, the FDA said.

Benadryl is an antihistamine that can be used to treat allergies in kids. Learn more about dosage guidelines and when to ...

Allegra and Claritin are both allergy medications, helping relieve symptoms like sneezing, a runny nose, or itchy eyes. But the active ingredients in each are different. Allegra contains ...