Side effects, images, and drug details for Phenergan - Inside Rx
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Promethazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain. 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, 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.

Frequently Asked Questions

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.

Similar Drugs

Brand Name Examples Supplied As Strength
Phenadoz suppository 25 mg
Phenergan solution 25 mg/mL50 mg/mL
Promethegan suppository 12.5 mg25 mg50 mg
Generic Examples Supplied As Strength
Promethazine Hydrochloride solution 25 mg/mL50 mg/mL
syrup 6.25 mg/5 mL
suppository 12.5 mg25 mg50 mg
tablet 12.5 mg25 mg50 mg
Promethazine Hydrochloride Novaplus solution 25 mg/mL50 mg/mL

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