Drug reference
verapamil er
CCB (non-DHP)
CCB (non-DHP)
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
C
FDA category + note
Mechanism
Blocks calcium from entering cells, reducing heart rate and vasoconstriction.
Indications
Hypertension
Dosing
- Adult
- 100–300 mg once daily (evening administration recommended)
Contraindications
- Do not use in combination with β-blockers
- Do not use in HFrEF or in high-grade AV or SA block
Side effects
Common
BradycardiaNauseaConstipation
Pregnancy & lactation
Pregnancy
C
Related guidelines
Other CCB (non-DHP) drugs
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Sources: Harrison 22e·Verified: 2026-05-10 · House clinical team