Isoptin SR Dosage
Medically reviewed by Drugs.com. Last updated on Mar 1, 2022.
Generic name: verapamil hydrochloride
Dosage form: tablets
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.
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- Drug class: calcium channel blocking agents
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