Nifedical XL Dosage
Generic name: nifedipine
Dosage form: tablet, film coated, extended release
This dosage information does not include all the information needed to use Nifedical XL safely and effectively. See full prescribing information for Nifedical XL.
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Dosage must be adjusted according to each patient's needs. Therapy for either hypertension or angina should be initiated with 30 or 60 mg once daily. Nifedical XL® Extended-release tablets should be swallowed whole and should not be bitten or divided. In general, titration should proceed over a 7 to 14 day period so that the physician can fully assess the response to each dose level and monitor blood pressure before proceeding to higher doses. Since steady-state plasma levels are achieved on the second day of dosing, if symptoms so warrant, titration may proceed more rapidly provided the patient is assessed frequently. Titration to doses above 120 mg are not recommended.
Angina patients controlled on nifedipine capsules alone or in combination with other antianginal medications may be safely switched to Nifedical XL® Extended-release tablets at the nearest equivalent total daily dose. Subsequent titration to higher or lower doses may be necessary and should be initiated as clinically warranted. Experience with doses greater than 90 mg in patients with angina is limited. Therefore, doses greater than 90 mg should be used with caution and only when clinically warranted.
No "rebound effect" has been observed upon discontinuation of nifedipine extended-release tablets. However, if discontinuation of nifedipine is necessary, sound clinical practice suggests that the dosage should be decreased gradually with close physician supervision.
Care should be taken when dispensing Nifedical XL® Extended-release Tablets to assure that the extended-release dosage form has been prescribed.
Coadministration with Other Antianginal Drugs
Sublingual nitroglycerin may be taken as required for the control of acute manifestations of angina, particularly during nifedipine titration. See PRECAUTIONS, Drug Interactions, for information on coadministration of nifedipine with beta-blockers or long-acting nitrates.
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