An antihistamine is a type of pharmaceutical drug that opposes the activity of
histamine receptors in the body. Antihistamines are subclassified according to
Oct 21, 2014 ... WebMD explains what antihistamines are (prescription and over-the-counter),
what types of allergies they're used for, precautions and side ...
Learn about antihistamines, when they're used and how to safely take them.
Antihistamines are mainly used to treat hay fever (seasonal allergic rhinitis),
hives (urticaria), itching (pruritus) and insect bites and stings. They may be used
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 ...
Antihistamines represent a class of medications that block the histamine type 1 (
H1) receptors. Importantly, antihistamines do not block or decrease the release ...
Consumer Reports evaluates Antihistamine Drugs used to Treat Seasonal
Antihistamines, 1st Generation: Dosing, Uses, Side Effects, Interactions, Patient
Handouts, Pricing and more from Medscape Reference.
Antihistamines are drugs that block the action of histamine (a compound
released in allergic inflammatory reactions) at the H1 receptor sites, responsible
May 4, 2012 ... Allergies affect millions each year. Learn how you can treat your allergies with a
popular treatment called antihistamines.