Isoptin SR Dosage
Generic name: verapamil hydrochloride
Dosage form: tablets
Medically reviewed on March 12, 2018.
The dose of ISOPTIN SR should be individualized by titration and the drug should be administered with food. Initiate therapy with 180 mg of sustained-release verapamil HCI, ISOPTIN SR, given in the morning. Lower, initial doses of 120 mg a day may be warranted in patients who may have an increased response to verapamil (e.g., the elderly or small people etc.). Upward titration should be based on therapeutic efficacy and safety evaluated weekly and approximately 24 hours after the previous dose. The antihypertensive effects of ISOPTIN SR are evident within the first week of therapy.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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