Procainamide (Systemic)

Brand Names : Procan SR, Promine, Pronestyl, Pronestyl-SR

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Less common

Fever and chills; joint pain or swelling; pains with breathing; skin rash or itching

Rare

Confusion; fever or sore mouth, gums, or throat; hallucinations (seeing, hearing, or feeling things that are not there); mental depression; unusual bleeding or bruising; unusual tiredness or weakness

Signs and symptoms of overdose

Confusion; decrease in urination; dizziness (severe) or fainting; drowsiness; fast or irregular heartbeat; nausea and vomiting

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Diarrhea; loss of appetite

Less common

Dizziness or lightheadedness

The medicine in the extended-release tablets is contained in a special wax form (matrix). The medicine is slowly released, after which the wax matrix passes out of the body. Sometimes it may be seen in the stool. This is normal and is no cause for concern.

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.