This common over-the-counter drug could be linked to dementia - Antihistamines used to aid sleep and relieve nasty allergy ...

Diphenhydramine is the active ingredient in countless over-the-counter medications. But experts say there are serious risks ...

If you've ever taken these meds to help you sleep, you may find you knock out and sleep hard on the first night that you're ...

Hay fever is a common seasonal allergy that many people have to deal with, especially as the allergy season is at its peak.

It's not always easy to tell the difference between a cold and allergies, including seasonal allergic rhinitis or "hay fever.

Two antihistamines, including Zyrtec, are under warning by the FDA after people reported “severe itching” after ceasing ...

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

or support the 'bad' bacteria in your gut can cause histamine reactions or make them worse. "These foods are UPFs, sugar, fried foods, processed meats, alcohol and sweeteners.” Hormones ...

Discover commonly overlooked causes of allergic reactions and rashes, from hidden household allergens to unexpected food triggers, and learn practical solutions ...