Calaptin 40mg Tablet

Medically reviewed by Dr. Naresh Dang | Written By Sonu Kumar Rao

Last updated on: November 02, 2020 10:30 am

Calaptin 40mg Tablet

Uses of Calaptin 40mg Tablet

Calaptin 40mg Tablet is used for the treatment or prevention of the following disease(s):


Side effects of Calaptin 40mg Tablet

The most common side effects of Calaptin 40mg Tablet are – Headache, Insomnia, Blurred Vision, Dry Mouth, Dyspepsia, Constipation, Diarrhea, Nausea, Stomach Pain

These side effects can usually occur in patients. However, these are only indicative and not all patients will experience them.

Precautions while using Calaptin 40mg Tablet

Do not use Calaptin 40mg Tablet if you are allergic to – Verapamil

If you have heart disease, liver or kidney disease, drug or alcohol addiction, consult your doctor before using Calaptin 40mg Tablet.

If you are allergic to any medicine or food, consult your doctor before using this medicine.

Use this medicine under the supervision of your doctor.

To avoid an adverse reaction, consult your doctor if you are already taking other medicines.

How Calaptin 40mg Tablet works

Calaptin 40mg Tablet contains – Verapamil

Verapamil works by relaxing blood vessels so blood can flow more easily.

Dosage of Calaptin 40mg Tablet

The dosage of Calaptin 40mg Tablet depends on many factors such as the patient age, health, medical condition or history of the patient and many other conditions.

Please use this medicine as prescribed by your doctor.

Overdose of Calaptin 40mg Tablet

If you forget to take a dose of Calaptin 40mg Tablet, do not take two doses at the same time, there is a risk of overdose.

If you notice any unusual reaction in your body after taking this medicine, contact your doctor immediately or call your local medical emergency number.

Precautions & Warnings


Information will be added soon.


Information will be added soon.


Information will be added soon.


Information will be added soon.


Information will be added soon.


Information will be added soon.

Alternate Brands

For informational purposes only. Consult a doctor before taking any medicines.

Vasopten 40mg Tablet  ( Torrent Pharmaceuticals Ltd. )

8.86  10 Tablets Strip Tablets Strip


Drug :- alpha blockers, antihypertensives, general anesthetics hydrocarbon, prazosin: Hypotensive effects.

aspirin: Increased bleeding time.

beta blockers: Increased risk of heart failure, hypotension, and severe bradycardia.

calcium supplements: Decreased response to verapamil.

carbamazepine, cyclosporine, theophylline, valproate: Increased risk of toxicity from these drugs.

cimetidine: Decreased metabolism and increased blood level of verapamil.

clonidine: Increased risk of severe sinus bradycardia.

cyclophosphamide, oncovin, procarbazine, prednissone COPP regimen, vindesine, adriamycin, cisplatin VAC regimen: Decreased verapamil absorption.

dantrolene: Increased risk of hyperkalemia and myocardial depression.

digoxin: Increased blood digoxin level and risk of digitalis toxicity.

disopyramide, flecainide: Additive negative inotropic effects.

doxorubicin: Increase plasma doxorubicin level.

erythromycin, ritonavir: Increased blood verapamil level.

lithium: Increased risk of neurotoxicity.

neuromuscular blockers: Prolonged recovery from neuromuscular blockade.

NSAIDs, sympathomimetics: Decreased antihypertensive effect of verapamil.

paclitaxel: Decreased paclitaxel clearance.

phenobarbital: Increased verapamil clearance.

procainamide: Increased QT interval, additive negative inotropic effects.

protein-bound drugs hydantoins, salicylates, sulfonamides, sulfonylureas, and warfarin and other oral anticoagulants: Altered blood levels of these drugs.

quinidine: Increased risk of quinidine toxicity, increased QT interval, additive negative inotropic effects.

rifampin: Decreased bioavailability of oral verapamil.

telithromycin: Increased risk of bradyarrhythmias, hypotension, and lactic acidosis.

Food :- grapefruit juice: Increased verapamil level.

Activity :- alcohol use: Increased blood alcohol level and prolonged CNS effect.

About Reviewer

Dr. Naresh Dang is an MD in Internal Medicine. He has special interest in the field of Diabetes, and has over two decades of professional experience in his chosen field of specialty. Dr. Dang is an expert in the managememnt of Diabetes, Hypertension and Lipids. He also provides consultation for Life Style Management.

About Author

Sonu Kumar is a registered pharmacist with Bihar State Pharmacy Council with over 6 months experience. He is a medicine content contributor at Zotezo.