Levocetirizine is an antihistamine medication that comes as a breakable tablet and an oral solution. It is available both over-the-counter and as a prescription. Levocetirizine relieves the annoying ...

Diphenhydramine is the active ingredient in countless over-the-counter medications. But experts say there are serious risks to taking too much of the drug—or taking it too long. Diphenhydramine, a ...

Experts are talking more about the side effects and potential risks of this familiar pink allergy pill. Learn why it’s controversial and the dos and don’ts of using it. A recent medical review argued ...