What it's used for
Diltiazem hydrochloride extended-release capsules are used for the treatment of hypertension, either alone or in combination with other blood pressure medications.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Patients can be switched to extended-release capsules at the nearest equivalent total daily dose, though higher doses may be needed for some patients.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
This medication prolongs AV node refractory periods and may rarely result in abnormally slow heart rates or heart block.
What it looks like
Illustrative only — appearance varies by manufacturer and strength. Photo credit: NLM Pillbox.
Common side effects
Common adverse reactions include those reported in angina and hypertension clinical trials, though serious adverse reactions are rare.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other heart, blood pressure & cholesterol medications covered at $0 with an active Tab membership.