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Nifedipine capsule
What is this medicine?
NIFEDIPINE is a calcium-channel blocker. It affects the amount of calcium found in your heart and muscle cells. This relaxes your blood vessels, which can reduce the amount of work the heart has to do. This medicine is used to treat chest pain caused by angina.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
- heart problems, low blood pressure, slow or irregular heartbeat
- kidney disease
- liver disease
- previous heart attack
- an unusual or allergic reaction to nifedipine, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
- breast-feeding
How should I use this medicine?
Take this medicine by mouth with a glass of water. Swallow whole. Take your doses at regular intervals. Do not take your medicine more often then directed. Do not suddenly stop taking this medicine. Your doctor will tell you how much medicine to take. If your doctor wants you to stop the medicine, the dose will be slowly lowered over time to avoid any side effects.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
- barbiturates, like phenobarbital
- cimetidine
- diuretics
- grapefruit juice
- local or general anesthetics
- medicines for high blood pressure or heart problems
- warfarin
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Visit your doctor or health care professional for regular check ups. Check your blood pressure and pulse rate regularly. Ask your doctor or health care professional what your blood pressure and pulse rate should be and when you should contact him or her.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
What side effects may I notice from this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
- blood in the urine
- difficulty breathing
- fast heartbeat, palpitations, irregular heartbeat, chest pain
- redness, blistering, peeling or loosening of the skin, including inside the mouth
- reduced amount of urine passed
- skin rash
- swelling of the legs and ankles
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- constipation
- facial flushing
- headache
- weakness or tiredness
This list may not describe all possible side effects.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 25 degrees C (59 and 77 degrees F). Protect from light and moisture. Keep container tightly closed. Throw away any unused medicine after the expiration date.
