Pharmacies require a prescription to fill this medication for you. The FDA approved nifedipine for chest pain and high blood pressure. Nifedipine extended-release (ER) can also be taken to prevent ...

The usual dosage of nifedipine, 10-20 mg p.o. every four to six hours, may cause flushing, headache, dizziness, and nausea. In normotensive women, transient hypotension is rare. No adverse effects ...

Nifedipine 30mg, 60mg, 90mg; ext-rel tabs. Nifedipine inhibits the transmembrane influx of calcium ions into vascular smooth muscle and cardiac muscle. The reduction in calcium influx causes ...