When the sun is out and the grass pollen count is high, many of us reach for an antihistamine to avoid the streaming eyes and ...

Xyzal (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...

Taking too much antihistamine can lead to adverse side effects and a potential antihistamine overdose. Signs may include fast heart rate, fever, and dilated pupils. People should follow the dosage ...

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

especially if you enjoy eating foods high in histamine. Side effects like headaches, hives, and gastrointestinal problems can quickly spoil your day. This is the point where DAO supplements come ...

Intranasal steroids are the most effective pharmacologic treatment for seasonal allergic rhinitis (SAR), but they can take several days to take effect ... Add-on oral antihistamines or montelukast ...

Pills with antihistamines. Taking these together can ... ask if any other fruits or juices might have similar effects on your medicine. It's important to take your medication as directed by ...

He tried antihistamines, usually used to fight allergies ... He was so struck by the effect on his patients, especially with a drug called chlorpromazine (trade name Thorazine) he thought the ...