Verapamil - Indications, Dosage, Side Effects and Precautions

Verapamil Medication Information

Learn everything you need to know about Verapamil-pronunciation, uses, dosage guidelines, indications, and when to take or avoid it.

Get up-to-date information on side effects, precautions, warnings, and proper storage to ensure safe usage.

Explore Verapamil brand names commonly used in India and internationally, along with detailed pricing information. Consult your healthcare provider for tailored medical advice.

Generic Name : Verapamil

Pronunciation : ver-AP-a-mil

ICD Code : Y52.1 Therapeutic Classification : Calcium Channel Blockers

Brand Names or Trade Names of Verapamil

India :

More info >>>

International :

Calan, Calan SR, Covera-HS, Isoptin SR, Verelan, Verelan PM, Isoptin, Isoptin I.V.

Why is Verapamil Prescribed? (Indications)

This medication is a calcium channel blocker, prescribed for high blood pressure, chest pain, abnormal heart rhythm, and headache. It works by relaxing the blood vessels.

When should Verapamil not be taken? (Contraindications)

Contraindicated in patients with low blood pressure, heart disease, and hypersensitivity.

What is the dosage of Verapamil?

Adult- PO- The recommended dose range is 120-480 mg/day in 3-4 divided doses.

How should Verapamil be taken?

It comes as a tablet to take by mouth, with food.

What are the warnings and precautions for Verapamil?

• Caution should be exercised in patients with history of low blood pressure, heart, kidney or liver problems, muscular dystrophy, neuromuscular disease, cancer, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• It may cause dizziness, do not drive a car or operate machinery and get up slowly from bed while taking this medication.

• Avoid alcohol consumption.

• Monitor liver function, kidney function, complete blood cell counts, electrocardiogram (ECG), and blood pressure regularly while taking this medication.

• It should not be used in children.

What are the side effects of Verapamil?

Most Common - Constipation, headache, upper respiratory infection, dizziness, fatigue, swelling in the extremities, nausea, elevated liver enzymes, slow heart rate, tingling, flushing and low blood pressure.
Heart - Chest pain, heart failure, lung swelling, heart attack, palpitations, bruising and fainting.
Gastrointestinal - Diarrhea, dry mouth, gastrointestinal distress and gum swelling.
Blood - Bruising.
Central Nervous system - Stroke, confusion, sleeplessness, muscle cramps, shakiness and drowsiness.
Musculoskeletal - Joint pain.
Skin - Rash, exanthema, hair loss, increased sweating, hives and redness of the skin.
Eye - Blurred vision and ringing in the ear.
Genitourinary - Increased urination, spotty menstruation, impotence and breast enlargement in male.
Miscellaneous - Allergy aggravation and difficulty in breathing.

What are the other precautions for Verapamil?

Avoid excess dosage.

What are the storage conditions for Verapamil?

Store it at room temperature.

Schedule : H
Prescription drugs - Drugs to be sold only under the prescription of a Registered Medical Practitioner.

Learn more about Verapamil : Interaction with Foods, Herbs & Alcohol

Q: Is Verapamil a safe drug?

A: Verapamil is generally considered to be a safe drug. However, it is advised to use it according to the dose and duration advised by your doctor. It may cause some temporary side effects that usually resolve on their own ().

Q: Does Verapamil affect memory?

A: Verapamil, as a small conductance calcium-activated potassium channel antagonist, may have a dual effect: it may improve memory but fails to have a neuroprotective role in Alzheimer’s disease ().

Q: When is the best time to take Verapamil?

A: Verapamil is usually available in the form of tablets, extended-release tablets, and extended-release capsules. The tablets are taken 3-4 times a day, while extended-release tablets and capsules are taken once or twice a day, either in the morning or in the evening ().

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