Phenergan (Promethazine) Drug Information: Medication Guide and Patient Information

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May 27, 2012

Phenergan

Allergy »

Allergy facts

Allergy involves an exaggerated response of the immune system.
The immune system is the body's organized defense mechanism against foreign invaders, particularly infections.
Allergens are substances that are foreign to the body and can cause an allergic reaction.
IgE is the allergy antibody.
Allergies can develop at any age.
Your risk of developing allergies is related to your parents' allergy history.

Introduction

In this review you will learn how allergy relates to the immune system. You will begin understanding how and why certain people become allergic. The most common allergic diseases are discussed briefly in this article.

What does an allergy mean?

An allergy refers to an exaggerated reaction by our immune system in response to bodily contact with certain foreign substances. It is exaggerated because these f...

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Please Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

PATIENT INFORMATION

Phenergan (promethazine) Tablets and Suppositories may cause marked drowsiness or impair the mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a vehicle or operating machinery. The use of alcohol or other central-nervous-system depressants such as sedatives/hypnotics (including barbiturates), narcotics, narcotic analgesics, general anesthetics, tricyclic antidepressants, and tranquilizers, may enhance impairment (see WARNINGS-CNS Depression and PRECAUTIONS-DRUG INTERACTIONS). Pediatric patients should be supervised to avoid potential harm in bike riding or in other hazardous activities.

Patients should be advised to report any involuntary muscle movements.

Avoid prolonged exposure to the sun.

Last reviewed on RxList: 6/21/2007
This monograph has been modified to include the generic and brand name in many instances.