Procardia (Nifedipine) Patient Information: Missed a Dose and What Should I Avoid at RxList

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May 27, 2012

Procardia

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High blood pressure (hypertension) is designated as either essential (primary) hypertension or secondary hypertension and is defined as a consistently elevated blood pressure exceeding 140/90 mm Hg.
High blood pressure is called "the silent killer" because it often causes no symptoms for many years, even decades, until it finally damages certain critical organs.
Poorly controlled high blood pressure ultimately can cause damage to blood vessels in the eye, thickening of the heart muscle and heart attacks, hardening of the arteries (arteriosclerosis), kidney failure, and strokes.
Most antihypertensive medications can be used alone or in combination. Some are used only in combination. Some are preferred over others in certain specific medical situations. And some are not to be used (contraindicated) in other situations.
Several classes of antihypertensive medications are available, including ACE i...

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Procardia Patient Information including If I Miss a Dose

What happens if I miss a dose (Procardia)?

Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication.

What happens if I overdose (Procardia)?

Seek emergency medical attention.

Symptoms of a nifedipine overdose include dizziness, weakness, chest pain, shortness of breath, fainting, an unusually fast or slow heartbeat, coma, slurred speech, and confusion.

What should I avoid while taking nifedipine (Procardia)?

Do not consume grapefruit or grapefruit juice during treatment with nifedipine. Nifedipine can interact with grapefruit and grapefruit juice, and the interaction may have dangerous effects. You should discuss the use of grapefruit and grapefruit juice with your doctor.

Follow any recommendations your doctor makes about diet or exercise.

Use caution when you stand or sit up from a lying position, especially if you wake up during the night. You may become dizzy when changing positions.

Use alcohol cautiously. Alcohol may further lower blood pressure and increase drowsiness or dizziness while taking nifedipine.

What other drugs will affect nifedipine (Procardia)?

Before taking nifedipine, tell your doctor if you are taking any of the following drugs:

another heart medication to treat the same or another condition;
cimetidine (Tagamet, Tagamet HB);
erythromycin (E-Mycin, E.E.S., Eryc, Ery-Tab, others);
itraconazole (Sporanox) or ketoconazole (Nizoral);
carbamazepine (Tegretol);
phenytoin (Dilantin); or
rifampin (Rifadin, Rimactane) or rifabutin (Mycobutin).

You may not be able to take nifedipine, or you may require a dosage adjustment or special monitoring if you are taking any of the medicines listed above.

Drugs other than those listed here may also interact with nifedipine or affect your condition. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

Where can I get more information?

Your pharmacist has additional information about nifedipine written for health professionals that you may read.

Remember, keep this and all other medicines out of the reach of children. Never share your medicines with others and only use this medication for the condition prescribed.

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