Antihistamines are a type of medication that treats allergy symptoms. They block histamine receptors on cells, reducing physical response to allergens. When a person has an allergic reaction, they may ...

Some antihistamines can cross the blood-brain barrier – a membrane that’s supposed to protect harmful substances from getting in - Getty If you’re blighted by hay fever or other allergies, you ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Kelly Burch Every time Kelly publishes a story, you’ll get an alert straight to your inbox!

The Cleveland Clinic explains high doses can come with outsized risk—at times "fatal," they say—compared with other types of antihistamine.

A unique study, published in the journal Science Advances, is suggesting antihistamines can blunt some of the beneficial effects of exercise. The research found histamine functioning may be vital to ...

Allergy symptoms in children can range from mildly inconvenient to potentially life threatening. There are treatment options available both over the counter and through a prescription. Factors like ...