antihistamines

What is antihistamines?


Most people are able to take antihistamines. However, there are circumstances in which antihistamines are not recommended, or where you should seek professional advice to see if their use is suitable. These circumstances are explained below.

Read more on www.nhs.uk
Also known as Histamine Antagonists
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Antihistamines

Antihistamines are a type of medicine that are often used to treat allergic health conditions that commonly include:

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Antihistamine

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 histamine, which is produced by the body. Histamine can cause itching, sneezing, runny nose, and watery eyes. Also, in some persons histamine can close up the bronchial tubes (air passages of the lungs) and make breathing difficult.

Read more on www.mayoclinic.com

Antihistamine

Treats symptoms caused by hay fever, allergies, or the common cold. May be used as a nighttime sleep aid. Belongs to a class of drugs called antihistamines.

Read more on www.pdrhealth.com

Livostin

LIVOSTIN 0.05% (levocabastine hydrochloride ophthalmic suspension) is a selective histamine H1-receptor antagonist for topical ophthalmic use. Each mL contains 0.54 mg levocabastine hydrochloride equivalent to 0.5 mg levocabastine, 0.15 mg benzalkonium chloride, propylene glycol, polysorbate 80, dibasic sodium phosphate, anhydrous, monobasic sodium phosphate, monohydrate, disodium edetate, hydroxypropyl methylcellulose, and purified water. It has a pH of 6.0 to 8.0.

Read more on www.druglib.com

Histamine antagonist - Wikipedia, the free encyclopedia

Antihistamines suppress the histamine-induced wheal (swelling) and vasodilation (flare) response by blocking the binding of histamine to its receptors on ...

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Antihistamines: Understanding Your OTC Options -- familydoctor.org

Learn how to safely take over-the-counter antihistamines.

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Antihistamine Types, Side Effects, Interactions, and More

Many antihistamine drugs are available without a prescription. Examples include the first-generation antihistamines such as brompheniramine (Dimetapp, ...

Read more on www.webmd.com

Antihistamines definition - Medical Dictionary definitions of ...

Mar 12, 2011 ... Antihistamines: Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. ...

Read more on www.medterms.com

Antihistamines, Decongestants, and Cold Remedies

Antihistamine drugs block the action of histamine, therefore reducing these symptoms. For the best result, antihistamines should be taken before allergic ...

Read more on www.entnet.org

Antihistamines - What Are Antihistamines

Jan 8, 2010 ... You can't stop sneezing, but don't know what medication to take? You may need an antihistamine. Find out all you need to know about ...

Read more on coldflu.about.com

Contents

How it works
Antihistamines do not stop your body producing histamine; they stop your body's cells being affected by histamine in the normal way.

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Side effects
Common side effects include...

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Uses
Antihistamines are mainly used to help control symptoms that are caused by health conditions associated with allergic reactions.

Read more on www.nhs.uk