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What is the most important information I should know about Adalat?
Do not stop taking Adalat without first talking to your doctor, even if you begin to feel better. If you stop taking the medication, your condition could become worse. Do not crush, chew, or break any form of Adalat. Swallow the pills whole. Do not consume grapefruit or grapefruit juice during treatment with Adalat. Adalat 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.
What is Adalat?
Adalat is in a class of drugs called calcium channel blockers. Adalat relaxes (widens) your blood vessels (veins and arteries), which makes it easier for the heart to pump and reduces its workload.
Adalat is used to lower hypertension (high blood pressure) and to treat angina (chest pain).
Adalat may also be used for purposes other than those listed in this medication guide.
What should I discuss with my healthcare provider before taking Adalat?
Before taking Adalat, tell your doctor if you have
kidney disease;
liver disease;
another disease of the heart or blood vessels such as sick sinus syndrome, aortic stenosis, heart failure, low blood pressure, or coronary artery disease.
You may not be able to take Adalat, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.
Adalat is in the FDA pregnancy category C. This means that it is not known whether Adalat will be harmful to an unborn baby. Do not take Adalat without first talking to your doctor if you are pregnant or could become pregnant during treatment. Adalat passes into breast milk. Do not take Adalat without first talking to your doctor if you are breast-feeding a baby. If you are over 65 years of age, you may be more likely to experience side effects from Adalat. Your doctor may prescribe a lower dose of this medication.
How should I take Adalat?
Take Adalat exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose with a full glass of water. Adalat CC should be taken on an empty stomach. Do not crush, chew, or break any form of Adalat. Swallow the pills whole. Do not consume grapefruit or grapefruit juice during treatment with Adalat. Adalat 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.
Occasionally, the Procardia XL tablet shell may be seen in the stool. This is not harmful. The medicine has been absorbed by the body and the tablet shell is designed to be eliminated in the stool.
Do not stop taking Adalat without first talking to your doctor, even if you begin to feel better. If you stop taking the medication, your condition could become worse. Store Adalat at room temperature away from moisture and heat.
What happens if I miss a dose?
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?
Seek emergency medical attention.
Symptoms of a Adalat 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 Adalat?
Do not consume grapefruit or grapefruit juice during treatment with Adalat. Adalat 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 Adalat.
What are the possible side effects of Adalat?
If you experience any of the following serious side effects, stop taking Adalat and contact your doctor immediately or seek emergency medical treatment:
an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
unusually fast or slow heartbeats;
severe dizziness or fainting;
psychosis;
yellowing of the skin or eyes (jaundice); or
swelling of the legs or ankles.
Other, less serious side effects may be more likely to occur. Continue to take Adalat and talk to your doctor if you experience
headache, fatigue, or tiredness;
flushing;
insomnia;
vivid or abnormal dreams;
nausea or constipation; or
increased urination.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
What other drugs will affect Adalat?
Before taking Adalat, 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 Adalat, 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 Adalat 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 Adalat written for health professionals that you may read.
What does my medication look like?
Nifedipine is available with a prescription generically and under the brand names Adalat, Adalat CC, Procardia, and Procardia XL. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.
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