What are the doses of nifedipine?

What are the doses of nifedipine?

Adults—At first, 30 or 60 milligrams (mg) once a day. Your doctor may increase your dose as needed. However, the dose is usually not more than 90 mg once a day. Children—Use and dose must be determined by your doctor.

How is nifedipine administered?

Nifedipine comes as a capsule and an extended-release (long-acting) tablet to take by mouth. The capsule is usually taken three or four times a day. The extended-release tablet should be taken once daily on an empty stomach, either 1 hour before or 2 hours after a meal.

Is nifedipine a beta blocker?

Other drugs If you’re taking a beta-blocker and your doctor has you stop taking it before starting nifedipine, the beta-blocker should be tapered slowly. Stopping it suddenly could cause increased chest pains.

What’s the side effects of nifedipine?


  • Bloating or swelling of the face, arms, hands, lower legs, or feet.
  • difficult or labored breathing.
  • dizziness or lightheadedness.
  • fast, irregular, pounding, or racing heartbeat or pulse.
  • feeling of warmth.
  • headache.
  • muscle cramps.
  • shakiness in the legs, arms, hands, or feet.

How much does nifedipine lower BP?

Nifedipine was successful in reducing diastolic blood pressure in 83% of the patients within 45 minutes and in 96% of the patients within two hours, with a mean reduction in systolic blood pressure of 47 mm Hg and diastolic blood pressure of 29 mm Hg.

Who should not take nifedipine?

You should not use this medicine if you are also taking certain other medications such as carbamazepine (Tegretol®), phenobarbital (Luminal®), phenytoin (Dilantin®), rifabutin (Mycobutin®), rifampin (Rifadin®, Rimactane®), or St. John’s Wort. Using these medicines together can cause serious problems.

How fast does nifedipine lower BP?

How quickly does nifedipine work? Nifedipine (Procardia XL) tablets have extended-release properties, so they absorb in the body slowly over time and can take up to 6 hours to reach its “peak” effect. The immediate-release capsule form of nifedipine is fast-acting and will start to have an effect within 30 minutes.

Is nifedipine a good blood pressure medication?

Nifedipine is used alone or together with other medicines to treat severe chest pain (angina) or high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly.

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What is nifedipine ER 30 mg used for?

Can nifedipine 20mg be taken twice a day?

Nifedipine may be given once, twice or three times each day. Your doctor will tell you how often to give it. Once a day: this can be in the morning OR the evening. Twice a day: this should be once in the morning and once in the evening.

Can I take nifedipine twice a day?

Conventional nifedipine can be started at 10 mg twice daily with a maximum dose of 120 mg/d, but frequently extended release tablets are preferred due to steady blood pressure control with once daily administration.

Why is nifedipine taken at night?

Moreover, bedtime administration of nifedipine GITS reduced the incidence of edema as an adverse event by 91%, and the total number of all adverse events by 74% as compared to morning dosing (p=0.026).

How long does 30 mg nifedipine last?

The elimination half-life of nifedipine is approximately two hours.

How quickly does nifedipine lower blood pressure?

It starts to work on the day you start taking it, but it may take a couple of weeks to fully take effect. If you have high blood pressure, you may not have any symptoms, so nifedipine may not make you feel any different.

Why is nifedipine no longer used?

Nifedipine, a dihydropyridine calcium channel blocker, was once one of the most widely used medications for hypertension, but safety and tolerability concerns along with the introduction of new classes of antihypertensive medications and an increasing pool of data showing mortality benefit of other classes caused …

How long should you take nifedipine?

Your doctor will probably start you on a low dose of nifedipine and gradually increase your dose, generally once every 7 to 14 days. If taken regularly, nifedipine controls chest pain, but it does not stop chest pain once it starts. Your doctor may prescribe a different medication to take when you have chest pain.