Dictionary » A » 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 effects. Antihistamines frequently cause mouth dryness and sleepiness. Newer non sedating antihistamines are generally thought to be somewhat less effective. Antihistamine side effects that very occasionally occur include urine retention in males and fast heart rate.

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Being someone with hay fever, what exactly do antihistamines do to reduce the symptoms?

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by cathy00012345
Sat May 20, 2006 12:43 am
Forum: Human Biology
Topic: Antihistamines
Replies: 1
Views: 1237

Shame on you

... Drugs which depress the central nervous system can be potentiated by pimozide. These drugs include alcohol, barbiturates, anesthetics, antihistamines and benzodiazepines. The use of pimozide together with any of these should be minimized. QT wave lengthening will be greater in those ...

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by Sabrina
Sat Apr 15, 2006 6:44 am
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6265952

Enzyme activity & refrigirators; cool air,cells, & h

... statement in short: your question is to broad, an array of activities occur. Enzyme kinetics, oxidation, atrophy, the list goes on and on. PS: No antihistamines nor nyquil are present in my body, thus an apt post thourughly eloborated.

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by th1_rhs13
Sun Mar 26, 2006 12:29 am
Forum: Cell Biology
Topic: Enzyme activity & refrigirators; cool air,cells, & h
Replies: 10
Views: 5687

cell organelle structure

... the correction. In fact what I wrote doesn't make any sense! Absurd... I don't know on what tangent I was going on about. No one try nyquil and antihistamines to rid an illness whilst in final weeks or you too may undergo the same state.

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by th1_rhs13
Fri Mar 24, 2006 12:59 am
Forum: Cell Biology
Topic: cell organelle structure
Replies: 3
Views: 2292

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