What is the most important information I should know about procainamide?
Oral forms of procainamide (tablets and capsules) are no longer marketed in the U.S.
Call your doctor immediately if you experience wheezing, chest pain, chest discomfort,
worsening irregular heartbeats, a fever, a sore throat or an infection, a sore mouth, unusual
bruising or bleeding, dark urine, hallucinations, severe dizziness, or fainting.
Take procainamide exactly as directed. Do not skip doses or change your dosing schedule
without talking to your doctor.
Procainamide can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
Avoid
drinking alcohol. It may increase or decrease the effects of procainamide.
What is procainamide?
Oral forms of procainamide (tablets and capsules) are no longer marketed in the U.S.
Procainamide affects the way your heart beats.
Procainamide is used to treat seriously irregular heartbeat patterns.
Procainamide may be used for other purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking procainamide?
Before taking procainamide, tell your doctor if you are allergic to any drugs, or if you
have:
If you have any of these conditions, you may not be able to take
procainamide, or you may need a dose adjustment or special tests during treatment.
FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell
your doctor if you are
pregnant or plan to become pregnant during treatment.
Procainamide can pass into breast milk and may harm a nursing baby. Do not use
this medication without telling your doctor if you are
breast-feeding a baby.
How should I take procainamide?
Take this medication exactly as prescribed by your doctor. Do not take it in larger
amounts or for longer than recommended. Follow the directions on your prescription label.
Take each dose with a full
glass of
water.
Do not crush, chew, or open any formulation of this medication.
Do not change your dosage or your dosing schedule without first talking to your
doctor. Changes of this sort could make your condition much worse.
Store procainamide at room temperature away from moisture and heat.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose,
wait until then to take the medicine and skip the missed dose. Do not take extra
medicine to make up the missed dose.
Try not to miss any of your procainamide doses. Missing doses could be very dangerous.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this
medicine.
Overdose symptoms may include tiredness, dizziness, fainting, confusion, tremor,
difficulty breathing, and an irregular heartbeat.
What should I avoid while taking procainamide?
Procainamide can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
Avoid drinking alcohol. It may increase or decrease the effects of procainamide.
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