Side effects, images, and drug details for Phenadoz - 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 also acts as an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body. Promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes. Promethazine also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid. Promethazine may also be used for other purposes not listed in this medication guide.

Frequently Asked Questions

Promethazine should not be used in a child younger than 2 years old. Promethazine can cause severe breathing problems or death in a child younger than 2.

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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