It comes as a tablet and capsule to take by mouth, on an empty stomach.Dosage & When it is to be takenAdult- PO- The recommended dose is 50 mg/kg/day in divided doses.When it is not to be taken (Contraindications)Contraindicated in patients with heart block, heart failure, low blood pressure, and hypersensitivity. Drug Name : Procainamide This medication is an antiarrhythmic agent, prescribed for irregular heart beat. More info about Procainamide Trade Names/Brand Names of Procainamide India : Pronestyl | Pronestyl More info International : Procanbid, Procan Sr