Norpace; Norpace CR
- This drug is only to be used to treat life-threatening abnormal heartbeats. It may cause very bad and sometimes deadly side effects like other types of abnormal heartbeats. Talk with the doctor.
- It is used to treat certain types of abnormal heartbeats.
- It may be given to you for other reasons. Talk with the doctor.
- If you have an allergy to disopyramide or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Heart block without a working pacemaker, heart failure, a long QT on ECG, or low blood pressure.
- If you have any of these health problems: Glaucoma or myasthenia gravis.
- If you have trouble passing urine.
- If you have kidney disease.
- If you have high or low potassium levels.
- If you are breast-feeding or plan to breast-feed.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Sometimes, this drug will need to be started in a hospital where you will be closely watched. Talk with your doctor.
- If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
- Talk with your doctor before you drink alcohol.
- This drug interacts with many other drugs. The chance of this drug’s side effects may be raised or how well this drug works may be lowered. The chance of the other drugs’ side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with your doctor and pharmacist to make sure that it is safe for you to take this drug with all of your other drugs (prescription or OTC, natural products, vitamins).
- If you are 65 or older, use this drug with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.
- A new or worse heartbeat that does not feel normal.
- Chest pain or pressure.
- Very bad dizziness or passing out.
- Change in eyesight.
- Trouble passing urine.
- Muscle weakness.
- A type of abnormal heartbeat (prolonged QT interval) has happened with this drug. Sometimes, this has led to another type of unsafe abnormal heartbeat (torsades de pointes). Call your doctor right away if you have a fast or abnormal heartbeat, or if you pass out.
- Heart failure has happened with this drug, as well as heart failure that has gotten worse in people who already have it. Tell your doctor if you have heart disease. Call your doctor right away if you have shortness of breath, a big weight gain, a heartbeat that is not normal, or swelling in the arms or legs that is new or worse.
- Hard stools (constipation).
- Dry mouth.
- Dry nose.
- Dry eyes.
- Feeling tired or weak.
- Upset stomach.
- Belly pain.
- To gain the most benefit, do not miss doses.
- Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
- A liquid (suspension) can be made if you cannot swallow pills. Talk with your doctor or pharmacist.
- If a liquid (suspension) is made, shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- Swallow whole. Do not chew, break, or crush.
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- Store liquid (suspension) in a refrigerator. Throw away any part not used after 30 days.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.