Overview: Promethazine is a medicine used to help with allergy symptoms, reduce or prevent nausea and vomiting in certain situations, or provide sedative or pain-relieving effects after surgery. It ...

The drug is also used along with other medications for pain after surgery. It can also be used to achieve sedation (a state of relaxation) in certain cases, such as before surgery. Promethazine is ...

As with all medications, the cost of promethazine can vary. Factors that may affect the price you’ll pay include your treatment plan, your insurance coverage, and the pharmacy you use. To find out ...