Procardia is the brand name of the generic calcium channel blocker, CCB, nifedipine. CCB’s are usually the first drug tried for Raynaud’s. Procardia relaxes the peripheral arteries in the hands and feet, causing them to widen and improves blood circulation to the fingers and toes.
Common side effects are headache, flushing, swollen ankles and tiredness. These usually go away or get better after a few days of treatment.
Please let us know how you do on the Procardia.