Elderberry can produces side effects if you take too much or if raw elderberries are prepared improperly, as they are toxic.

Foods high in histamine include certain sausages, beer, wine, aged cheese, and tomatoes. People with histamine intolerance ...

Relatively low-cost quality improvement measures such as updated order sets and making cetirizine easier to access can substantially shift prescribing patterns.

The first antihistamine that the Food and Drug Administration approved was diphenhydramine. The compound was created in 1943, and the Parke-Davis pharmaceutical company brought it to market in 1946 ...

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.

Antihistamines are the first-line treatment for chronic spontaneous urticaria (CSU). If antihistamines are unsuccessful, systemic therapies that suppress the immune system are the next option. CSU is ...

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.