Hydroxyzine Hydrochloride (Hydroxyzine Hydrochloride) Drug Information: Side Effects and Drug Interactions

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May 27, 2012

Hydroxyzine Hydrochloride

Sleep »

What is sleep?

There are over 20 definitions of "sleep" in several dictionaries. The first, a verb, seems most appropriate:

to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake.

Physiologically, sleep is a complex process of restoration and renewal for the body. Scientists still do not have a definitive explanation for why humans have a need for sleep. We do know that sleep is not a passive process or "switching off" of body functions; sleep is believed to be important in many physiologic processes including the processing of experiences and the consolidation of memories. It is also clear that sleep is essential, not only for humans but for almost all animals.

The importance of sleep is underscored by the symptoms experienced by those suffering from sleep problems. People s...

Read the Sleep article »

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Hydroxyzine Hydrochloride

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SIDE EFFECTS

Side effects reported with the administration of hydroxyzine hydrochloride are usually mild and transitory in nature.

Anticholinergic: Dry mouth.

Central Nervous System: Drowsiness is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Involuntary motor activity including rare instances of tremor and convulsions have been reported, usually with doses considerably higher than those recommended. Clinically significant respiratory depression has not been reported at recommended doses.