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Allergies; Allergy/Allergies; Anaphylaxis |
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An allergy is a immune malfunction whereby a person's body is hypersensitised to react immunologically to typically nonimmunogenic substances. When a person is hypersensitised these substances are known as allergens. The word allergy derives from the Greek words allos meaning "other" and ergon meaning "reaction" or "reactivity". Reactions can vary from the benign runny nose, to life-threatening anaphylactic shock and death.
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An antihistamine is a drug which serves to reduce or eliminate effects mediated by histamine, an endogenous chemical mediator released during allergic reactions, through action at the histamine receptor. Only agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines - other agents may have antihistaminergic action but are not true antihistamines.
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Allergy as related to Antihistamines
- Antihistamines - Allergy Medicine - About Antihistamines
Antihistamines decrease allergy symptoms by blocking the effects of histamine, a ... So, antihistamines are an important tool for both allergy and asthma control. ...
- Understanding Allergy and Hay Fever Medications
Learn more about common anti-histamines here. ... Antihistamines are most effective when taken continuously during the allergy season. ...
- Allergy Medicines
Allergy Medicines. Antihistamines ... antihistamines were serendipitously found to have beneficial effects on allergy symptoms. ...
- Antihistamines-preparing for allergy testing
In the office where I work, we ask patients to discontinue antihistamines 48 hours prior to testing. The more common antihistamines are listed below.
- Allergy Symptoms are triggered by Histamine and Treatment often ...
Allergy Center ... The popularity of antihistamines is a mute testimony to ... These antihistamines have been marketed as allergy preparations for the relief ...
- Allergy Medication - DrGreene.com
Read an article discussing allergy medications and their use in children. ... Antihistamines reduce allergy symptoms by blocking the action of the histamine ...
- Antihistamines : Allergy Guide : Discovery Health
The Allergy Guide includes information on using antihistamines to treat allergies. ... Other Allergy Medication. When You Take Antihistamines to Treat Allergies ...
- ZYRTEC® Professional Official Site
The official site of ZYRTEC® Professional offers information and tools for U.S. Healthcare Professionals. Become a member and receive office materials, samples and more.
- Allergy & Antihistamines
Allergy & Antihistamines. Antibiotics. Anti-Fungal Medications ... Allergy & Antihistamines. 6 items found. Atopica ® Capsules (Brand) As low as $1.69 ...
- The Antihistamines
ing a doctor) you have hay fever or another allergy before taking antihistamines on a reg ... Some people who take allergy medicines do not have allergies. ...
- Allergy - Sinusitis - WS Tichenor M.D.
... information, environmental problems, food, medical problems, medicines, testing, allergy shots and frequently asked ... Antihistamines help with most ...
- Antihistamines: Understanding Your OTC Options -- familydoctor.org
... about over-the-counter antihistamines, from the American Academy of ... OTC cold and allergy products contain antihistamines, as do some prescription drugs. ...
- antihistamines
If you have an allergy problem you'll likely use antihistamines once in a while ... Antihistamines interfere with allergy skin tests and should be avoided ...
- Nasal Allergy Medications / Sprays on MedicineNet
Learn about nasal allergy medications (nasal sprays) includes antihistamines, decongestants, and nasal steroid sprays and their side effects.
- Allergic Rhinitis - Antihistamines
... 5, 2009. Allergy Home> Find> Understanding Allergies> Antihistamines. Font size ... patients should take antihistamines before an anticipated allergy attack. ...
- allergy medication
Explains allergy medication options, new drug choices, efficacy, and side effects. ... Oral antihistamines are the most commonly prescribed allergy medication. ...
- Antihistamines: important treatments for allergy, including hayfever
Two of the newer antihistamines do have a rare but serious problem. Old antihistamines make you sleepy and probably cause deaths on the road ...
- InteliHealth:
InteliHealth - Featuring Harvard Medical School's consumer health information. ... Antihistamines treat almost all allergy symptoms. ...
- Medications for Allergies
A look at the medications used to treat allergies and how they work is ... Antihistamines. Antihistamines have been used for years to treat allergy symptoms. ...
- Antihistamines for allergic rhinitis - Yahoo! Health
Antihistamine medicines block histamine and may reduce ... Health Home > Allergy > Antihistamines for allergic rhinitis. Antihistamines for allergic rhinitis ...

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