
Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen. Therefore, antihistamines do not stop the allergic reaction but protect tissues from some of its effects. Antihis...
Found on
http://www.emedicinehealth.com/allergy_insect_sting/glossary_em.htm

Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen. Therefore, antihistamines do not stop the allergic reaction but protect tissues from some of its effects. Antihis...
Found on
http://www.encyclo.co.uk/local/20973

Drugs opposing the actions of histamine; commonly used to treat allergies. Used in the past for Parkinson's as they sometimes had beneficial effects on symptoms due to their anticholinergic properties.
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Pronunciation: an′tē-his′tă-mēnz Definitions: 1. Drugs having an action antagonistic to that of histamine on either H
1 or H
2 receptors.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=4982

Antihistamines: Drugs that combat the histamine released during an allergic reaction by blocking the action of the histamine on the tissue. Antihistamines do not stop the formation of histamine nor do they stop the conflict between the IgE and antigen. Therefore, antihistamines do not stop the allergic reaction but protect tissues from some of its ...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=2283

Antihistamines are drugs used to treat allergies, and are particularly effective against hay fever, but may make cold congestion worse. They dry up secretions, but may also make the mucus too thick and difficult to expel by coughing up. They can also induce drowsiness.
Found on
http://www.probertencyclopaedia.com/browse/EA.HTM

Drug that blocks histamine and is typically used to treat allergic reactions. Histamine is a physiologically active depressor amine found in plant and animal tissue, derived from histidine by decarboxylation and released from cells in the immune system as part of an allergic reaction. It is a powerful stimulant of gastric secretion, constrictor of ...
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https://www.encyclo.co.uk/local/20528

Often prescribed to reduce itching, these medicines may cause drowsiness but seem to help some children, largely due to their sleep-inducing side effects. Current medical research is still cautious to claim this is an effective therapy on its own because it doesnt treat the skin, it only treats the itchiness. Furthermore, antihistamines cause dro...
Found on
https://www.soothems.com/pages/dermatology-glossary-of-terms
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