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.
If you experience any of the following serious side effects, stop taking nifedipine 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 nifedipine 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.
Print
Email
Media Gallery
Drug Info Tools
Medicare's drug plans are subsidized by the US federal government and offered through insurers.
