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Promethazine VC Plain Side Effects

Generic name: phenylephrine / promethazine

Medically reviewed by Drugs.com. Last updated on Oct 19, 2023.

Note: This document provides detailed information about Promethazine VC Plain Side Effects associated with phenylephrine / promethazine. Some dosage forms listed on this page may not apply specifically to the brand name Promethazine VC Plain.

Applies to phenylephrine / promethazine: oral syrup.

Important warnings This medicine can cause some serious health issues

Do not give this medicine to a child younger than 2 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days.

A dangerous drug interaction could occur.

MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Get emergency medical help if you have any of these signs of an allergic reaction while taking phenylephrine/promethazine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

Applies to phenylephrine / promethazine: oral syrup.

General

One of the most commonly reported adverse reactions has included drowsiness.[Ref]

Nervous system

Promethazine:

Phenylephrine:

Psychiatric

Promethazine:

Phenylephrine:

Cardiovascular

Promethazine:

Phenylephrine:

Ocular

Promethazine:

Gastrointestinal

Promethazine:

Hematologic

Promethazine:

Dermatologic

Promethazine:

Respiratory

Promethazine:

Phenylephrine:

Hepatic

Promethazine:

Other

Promethazine:

Phenylephrine:

References

1. (2017) "Product Information. Promethazine VC (phenylephrine-promethazine)." Actavis U.S. (Alpharma USPD)

2. (2002) "Product Information. Phenergan VC (phenylephrine-promethazine)." Wyeth-Ayerst Laboratories

Further information

Promethazine VC Plain side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.