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What is Verapamil used for?

Verapamil is prescribed to treat chest pain (angina), high blood pressure, and irregular heartbeats. It belongs to a class of drugs called calcium channel blockers, which relax blood vessels and thus normalize heartbeats. This medicine may also be used to treat other conditions as determined by your doctor.

What is the recommended dosage of Verapamil?

The dosage of Verapamil prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

Verapamil can be taken with or without food.

What if you miss a dose of Verapamil?

If your physician has instructed or directed you to take Verapamil medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Verapamil?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Verapamil, seek medical attention immediately. Some of the overdose symptoms of this drug are dizziness, weakness, shortness of breath, irregular heartbeat, and slurred speech.

What other drugs could interact with Verapamil?

It may be noted that drugs other than those listed above may also interact with Verapamil.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Verapamil, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Verapamil can interact with beta-blockers, nonsteroidal anti-inflammatory drugs, and certain heart medications.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the side effects of Verapamil?

Like other medicines, Verapamil can cause some side effects. If they do occur, the side effects of Verapamil are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Verapamil cannot be anticipated. If any side effects of Verapamil develop or change in intensity, the doctor should be informed as soon as possible.

Verapamil can cause side effects such as nausea, constipation, fatigue, headache, insomnia, and fluid retention. Some of the serious side effects of this drug are difficulty breathing, shortness of breath, unusually fast or slow heartbeat, and abnormal behavior. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Verapamil.

What are the questions to ask your doctor before taking Verapamil?

Is it possible for me to take Verapamil with other drugs?
Should certain beverages, foods and other products be avoided when I take Verapamil?
What are the possible drug interactions of Verapamil?
How will Verapamil work in my body?
How should Verapamil be taken?
How to reduce the risk of Verapamil drug interactions and side effects?


The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. Before taking Verapamil, inform your doctor if you have a heart condition, liver disease, or kidney disease. Also inform your doctor if you are pregnant or could become pregnant during treatment. Do not eat grapefruit or drink grapefruit juice. Avoid the use of alcohol.


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