Description and Brand Names

Drug information provided by: Merative, Micromedex®

US Brand Name

  1. Pronestyl


Procainamide injection is used to treat irregular heartbeats and to slow an overactive heart. When the heart has a normal heartbeat (rhythm), it will work more efficiently. Procainamide works by slowing the nerve impulses in the heart and reducing the sensitivity of heart tissues.

This medicine is available only with your doctor's prescription.

The oral dosage forms of this medicine are no longer available in the United States.

This product is available in the following dosage forms:

  • Solution