An antihistamine is a type of pharmaceutical drug that opposes the activity of
histamine receptors in the body. Antihistamines are subclassified according to
Antihistamines are drugs that inhibit the action of histamine in the body by
blocking the receptors of histamine. There are two types of histamine receptors
Oct 21, 2014 ... WebMD explains what antihistamines are (prescription and over-the-counter),
what types of allergies they're used for, precautions and side ...
Antihistamines are mainly used to treat hay fever (seasonal allergic rhinitis),
hives (urticaria), itching (pruritus) and insect bites and stings. They may be used
Learn about antihistamines, when they're used and how to safely take them.
Jul 9, 2015 ... Consumer information about OTC oral antihistamines. Information includes list of
drugs used to treat symptoms of allergies, colds, motion ...
Antihistamines: Drugs that combat the histamine released during an allergic
reaction by blocking the action of the histamine on the tissue. Antihistamines do
Antihistamines are used to relieve or prevent the symptoms of hay fever and
other types of allergy. They work by preventing the effects of a substance called ...
May 17, 2016 ... Read patient information from MedlinePlus: Antihistamines for allergies.
Nov 25, 2015 ... An antihistamine is used for treating common allergy symptoms, such as
sneezing, watery eyes, hives, and a runny nose. They're also used to ...