Drug Identity
Active Ingredient
Verapamil
Drug Class
Calcium Channel Blockers
ATC Code
C08DA01
Status
Essential Medicine
What is Calan?
hypertension ( high blood pressu...
used to treat hypertension ( high blood pressure ), angina (chest pain), and certain heart rhythm disorders
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 155.53
DRAP approved maximum price · per pack of 20 · approved 23 Jul, 2026
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 20Rs 155.53
Should you consider an alternative?
Other options containing Verapamil, and what they are not.
Same active ingredient, a different dose. Never switch strength without your doctor or pharmacist.
ISOPTIN
2 ML
Rs 494Rs 98.8/unit
ABBOTT LABORATORIES (PAK) LTD
Sinrex
2ml
Rs 180.97
Bajwa Pharmaceuticals (Pvt.) Ltd.
Zeyar
40mg
Rs 187.63 ceiling
No DRAP alertsZephyr Pharmatec (pvt) limited
Zeyar
80mg
Rs 122.01 ceiling
No DRAP alertsZephyr Pharmatec (pvt) limited
Sinrex
5mg
Rs 180.97 ceiling
Bajwa Pharmaceuticals (Pvt.) Ltd.
Zavera
40mg
Rs 115.92 ceiling
ZAFA PHARMACEUTICAL LABORATORIES (PVT) LTD.
Zavera
240mg
Rs 192.16 ceiling
ZAFA PHARMACEUTICAL LABORATORIES (PVT) LTD.
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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