Nifedipine is the generic equivalent of the brand-name drug NIFEDIPINE. Licensed pharmacies, clinics, doctor's offices, and veterinary practices can source wholesale Nifedipine through Premier Pharma with same-day fulfillment on in-stock SKUs.
FDA Drug Information
Indications & Usage
INDICATIONS AND USAGE Vasospastic Angina Nifedipine capsules, USP (nifedipine) is indicated for the management of vasospastic angina confirmed by any of the following criteria: 1) classical pattern of angina at rest accompanied by ST segment elevation, 2) angina or coronary artery spasm provoked by ergonovine, or 3) angiographically demonstrated coronary artery spasm. In those patients who have had angiography, the presence of significant fixed obstructive disease is not incompatible with the diagnosis of vasospastic angina, provided that the above criteria are satisfied. Nifedipine capsules, USP may also be used where the clinical presentation suggests a possible vasospastic component but w…
Important Warnings
WARNINGS Excessive Hypotension Although, in most patients, the hypotensive effect of nifedipine is modest and well tolerated, occasional patients have had excessive and poorly tolerated hypotension. These responses have usually occurred during initial titration or at the time of subsequent upward dosage adjustment. Although patients have rarely experienced excessive hypotension on nifedipine alone, this may be more common in patients on concomitant beta-blocker therapy. Although not approved for…
Adverse Reactions
ADVERSE REACTIONS In multiple-dose United States and foreign controlled studies in which adverse reactions were reported spontaneously, adverse effects were frequent but generally not serious and rarely required discontinuation of therapy or dosage adjustment. Most were expected consequences of the vasodilator effects of nifedipine. Adverse Effect Nifedipine (%) (N=226) Placebo (%) (N=235) Dizziness, lightheadedness, giddiness 27 15 Flushing, heat sensation 25 8 Headache 23 20 Weakness 12 10 Nau…
Drug Interactions
Drug Interactions Beta-adrenergic blocking agents: (See INDICATIONS AND USAGE and WARNINGS ). Experience in over 1400 patients in a non-comparative clinical trial has shown that concomitant administration of nifedipine and beta-blocking agents is usually well tolerated, but there have been occasional literature reports suggesting that the combination may increase the likelihood of congestive heart failure, severe hypotension or exacerbation of angina. Long-acting nitrates: Nifedipine may be safe…
Dosage & Administration
DOSAGE AND ADMINISTRATION The dosage of nifedipine needed to suppress angina and that can be tolerated by the patient must be established by titration. Excessive doses can result in hypotension. Therapy should be initiated with the 10 mg capsule. The starting dose is one 10 mg capsule, swallowed whole, 3 times/day. The usual effective dose range is 10 to 20 mg three times daily. Some patients, especially those with evidence of coronary artery spasm, respond only to higher doses, more frequent ad…
Source: FDA. For professional use only. Not a substitute for prescribing information.
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