Drug Identity
Active Ingredient
Verapamil
Drug Class
Calcium Channel Blockers
ATC Code
C08DA01
Status
Essential Medicine
What is ISOPTIN?
Uses
Verapamil is an oral and parenteral calcium-channel blocking (CCB) agent. Verapamil (HCl) is useful for the treatment of angina, hyperten...
How It Works
For IV use only. Give as a slow IV injection over at least a 2 min time period under continuous ECG and blood pressure monitoring. Disopyramide or flecainide should not be given within 48 hours before or 24 hours after verapamil because additive negative inotropic effects can result.
How to Take It
1
Adult · PO
40 to 120 mg — 8 hourly
2
Adult
Scraped Dose
There is no specific antidote for verapamil overdosage; treatment should be supportive. Delayed pharmacodynamic consequences may occur with extended-release formulations, and patients should be obs
3
Child · Oral
2 to 3 mg/kg — 8 hourly
-
Safety Alerts
Acute porphyrias, second- and third-degree AV block, sick sinus syndrome, sino-atrial block, atrial flutter or fibrillation associated with accessory conductingpathways (e
Wolff-Parkinson-White-syndrome), bradycardia, cardiogenic shock, history of heart failure (even if controlled by therapy), history of significantly impaired left ventricular function (even if controlled by therapy),hypotension,
Important Warnings
Acute phase of myocardial infarction, 1st degree AV block, poor cardiac reserve should be controlled with digitalis and diuretics,conduction disturbances, Atrial flutter/fibrillation with an accessory pathway, Hepatic or renal impairment
Side Effects
Constipationankle oedemadizzinessfatigueflushingheadachenauseavomitingallergic reactionsangioedemaarthralgiaasystolebradycardiaerythemaerythromelalgia
Drug Interactions
Beta-blockers
digoxin or antiarrhythmics
cyclo-sporin
theophylline
muscle relaxants
carbamazepine
rifampicin
lithium
Storage
Tab, Inj Store Below 40°C. Protect from Sunlight.
Price Intelligence
Rs 494
DVAGO observed price · per pack of 5 · as of 30 July 2026
Rs 98.8 per unit
No approved ceiling matched to this exact pack and strength.
Prices across sources
DVAGOper pack of 5Rs 494
Should you consider an alternative?
Other options containing Verapamil, and what they are not.You pay Rs 313 more than the cheapest equivalent
Identical active ingredient at the same strength. Cheapest per unit first.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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