Antihistamines are a type of medication that stops your allergies. There are many different types, making it hard to find the ...

SaveHealth reports Xyzal and Zyrtec are effective antihistamines for allergy relief, differing in side effects and dosage ...

Decongestants are medications that help clear a stuffy nose or nasal congestion. Here's how to use them for allergy or cold ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. For decades, diphenhydramine—best known by the brand ...

Taking medication for an allergic reaction? You might face severely itchy skin as a side effect of Zyrtec or Xyzal, according to a recent FDA warning for long-term users. Here's what you need to know.

As with other drugs, cetirizine can cause side effects, such as drowsiness and sore throat. If you are not able to tolerate side effects from cetirizine, talk with your doctor or pharmacist.

Mixing alcohol and Bendaryl can have dangeorus effects. Learn more about why you should avoid this interaction.

A combination of metformin, a common diabetes drug, and clemastine, an antihistamine, can help repair myelin—the protective ...