Phenergan (injection)

Generic name:promethazine (injection) [ pro-METH-a-zeen ]
Drug classes:Antihistamines, Phenothiazine antiemetics

Medically reviewed by Drugs.com on Jan 26, 2022. Written by Cerner Multum.

What is promethazine injection?

Promethazine is used to treat or prevent nausea and vomiting caused by anesthesia or surgery, certain types of allergic reactions, pain caused by surgery or childbirth, motion sickness, and to sedate patients before surgery or medical procedures.

Promethazine injection is usually given when a person cannot take the medication orally (by mouth).

Promethazine injection may also be used for purposes not listed in this medication guide.

Warnings

Promethazine should not be given to a child younger than 2 years old. Promethazine can cause severe breathing problems or death in very young children.

Tell your caregivers if you feel any burning, pain, or swelling around the IV needle when promethazine is injected.

Call your doctor at once if you later develop symptoms throughout your body, such as: severe pain, burning, swelling, numbness, cold feeling, severe irritation, skin changes, or discoloration in your fingers or toes.

Before taking this medicine

You should not receive this medicine if you are allergic to promethazine or to similar medicines such as chlorpromazine, fluphenazine