General Information on Norpace CR
Norpace CR (controlled release) is prescribed for the treatment of serious irregular heartbeats like persistent ventricular tachycardia. The generic name of this drug is Disopyramide and it falls under a class of drugs referred as anti-arrhythmic drugs.
Norpace CR blocks electric signals that cause irregular heartbeats. This drug is administered orally and is available in two strengths, Norpace CR 100 mg and Norpace CR 150 mg.
The inactive ingredients present in 100 mg and 150 mg CR capsules are: corn starch, edible ink, ethylcellulose, sucrose, gelatin, shellac, titanium dioxide, and talc.
Side effects of Norpace CR
You should not buy Norpace CR if you are allergic to Disopyramide. The use of Norpace CR may not be the best option in certain medical conditions, such as myasthenia gravis, glaucoma, and kidney disease, enlarged prostate or liver disease. Before you buy Norpace CR, ensure that you inform your doctor about your medical history, especially if you have or have had any of the aforementioned conditions.
Some of the less serious side effects of this drug may include: blurred vision, mild headache, dizziness, mild rash, tiredness, difficulty urinating, muscle aches, or dry mouth.
Consult your doctor if you experience any of the following serious side effects while using Norpace CR: severe dizziness, worsening or new irregular heartbeats, chest discomfort, chest pain, swelling of the legs or feet, or symptoms of an hypersensitivity reaction (such as hives, severe skin rashes, facial flushness, difficulty breathing, or closing of the throat)
Other side effects of Norpace CR may also occur in rare cases. To know more about the side effects of this drug, read the patient information leaflet or consult your pharmacist or doctor.
Dosage of Norpace CR
The dosage of Norpace CR depends on patient’s weight, tolerance, and response to the treatment. For most adult patients with body weight equal or more than 110 pounds, the recommended daily dosage is Norpace CR 600 mg administered in two equal dosages at a gap of 12 hours. The recommended dosage for adults with body weight less than 110 pounds is Norpace CR 200 mg administered in two equal dosages every 12 hours.
The recommended dosage in patients suffering from moderate renal insufficiency is Norpace CR 400 mg administered in two equal dosages every 12 hours.
Interactions
Certain drugs if taken in combination with Norpace CR may decrease its efficacy or increase the risk of some side effects. Patients are advised that they inform their physician or pharmacist, in advance, advance about all other drugs that they are presently taking. This includes herbal as well as non-prescription medicines. It is also important that, during treatment with Norpace CR, you consult your doctor before starting any new medication.
Here are the names of some drugs that are likely to interact with this anti-arrhythmic medicine:
- Warfarin
- Rifampin
- Erythromycin
- Phenytoin
- Clarithromycin
- Beta-blockers (for example propranolol, acebutolol, nadolol, metoprolol, labetalol, carteolol, pindolol, and others)
- Cisapride
- Other drugs used for treating irregular heartbeat (for example procainamide, quinidine, amiodarone, bepridil, and others)
