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In this Article

• What is nifedipine (Adalat CC)?
• What are the possible side effects of nifedipine (Adalat CC)?
• What is the most important information I should know about nifedipine (Adalat CC)?
• What should I discuss with my healthcare provider before taking nifedipine (Adalat CC)?
• How should I take nifedipine (Adalat CC)?
• What happens if I miss a dose (Adalat CC)?
• What happens if I overdose (Adalat CC)?
• What should I avoid while taking nifedipine (Adalat CC)?
• What other drugs will affect nifedipine (Adalat CC)?
• Where can I get more information?

What happens if I miss a dose (Adalat CC)?

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 (Adalat CC)?

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 (Adalat CC)?

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 (Adalat CC)?

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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