Phenergan Vc (Promethazine HCl and Phenylephrine HCl Syrup) Drug Information: Medication Guide and Patient Information

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May 27, 2012

Phenergan Vc

Vertigo »

Vertigo introduction

Balance is defined as a state of equilibrium. It takes significant amount of work for this to occur in the body. The brain uses inputs from many sources to understand where the body is located in relationship to the world and to allow it to function. Sensory information from the eyes, ears, and position receptors in the rest of the body help keep the body upright and allow it to move in a coordinated fashion.

Information comes to cerebellar lobes located in the base of the brain from the vestibular system in the inner ear, vision from the eyes, and proprioception (position) receptors located throughout the body that send signals through the spinal cord. The cerebellum uses that information to maintain posture, coordinate body motions like walking and also coordinate fine motor skills like using a pen to write.

Vertigo, a feeling of spinning movement and sometimes accompanied by nausea and vomiting, occurs when an...

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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

Promethazine and phenylephrine may cause marked drowsiness or may impair the mental and/ or physical abilities required for the performance of potentially hazardous tasks, such as driving a vehicle or operating machinery. Ambulatory patients should be told to avoid engaging in such activities until it is known that they do not become drowsy or dizzy from promethazine and phenylephrine therapy. Children should be supervised to avoid potential harm in bike riding or in other hazardous activities.

The concomitant use of alcohol or other central nervous system depressants, including narcotic analgesics, sedatives, hypnotics, and tranquilizers, may have an additive effect and should be avoided or their dosage reduced.

Patients should be advised to report any involuntary muscle movements or unusual sensitivity to sunlight.

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.