What it's used for
This medication is used for the prevention and treatment of chest pain caused by coronary artery disease.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
The recommended adult dose is 20 mg taken twice daily, spaced seven hours apart.
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
Combining this medication with sildenafil can lead to severe low blood pressure.
Common side effects
Headache is the most frequent side effect, though its occurrence tends to decrease after the first few days of treatment.
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.