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Verapamil is used to treat hypertension (high blood pressure) and some kinds of irregular heartbeat (arrhythmia). It works by relaxing blood vessels so the heart doesn’t have to work as hard. This hypertension medicine is known as a calcium channel blocker. Brand versions include Calan and Isoptin.

Please note: At this time, this medication is only prescribed as a refill at Dr. B.

* Prescription treatment requires a virtual medical consultation with a medical provider to determine if a prescription is appropriate.

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How Dr. B treats high blood pressure

Health assessment

Tell us about your condition with a $15 online consultation—no video call necessary.

Provider review

A medical provider will review your information and prescribe treatment, if appropriate.

Get your medication

Pick up and pay for the medication at the pharmacy of your choice. Or, get it delivered.

About Verapamil

How does it work?

Verapamil belongs to a class of medicines known as calcium channel blockers. It works by relaxing and widening the blood vessels, which helps to improve oxygen and blood flow to the heart. It also slows down the heart rate so the heart doesn’t work as hard.

What does it treat?

This medicine is used to treat high blood pressure (hypertension). It can also be used to treat some forms of irregular heart beat (arrhythmia).

What forms does it come in?

Verapamil is available as a tablet that you take by mouth. There are also extended-release tablets and capsules that slowly release the medication into the bloodstream over time, allowing for less frequent dosing.

Verapamil vs. Isoptin

Verapamil is the generic name for this medication. Isoptin is one of the brand names for the same drug. They both contain the same active ingredient and work the same way to treat high blood pressure.

The brand drugs Calan and Isoptin are not currently available on the Dr. B platform.

How much will it cost?

Dr. B offers online consultations for $15—which is less than most copays. If a high blood pressure prescription is appropriate, your out-of-pocket medication cost will depend on your insurance and where you decide to get your prescription filled. With a drug discount card, prices for Verapamil 40 mg (90 tablets) start at $1.77.

* Prices shown with drug discount card applied. Price may differ depending on location.

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Verapamil 40 mg (90 tablets)*

More High Blood Pressure (Hypertension) Prescription Refills

Looking for a different hypertension medication? Here are some options.

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Common Questions

Verapamil prescription FAQ

What are the benefits of taking Verapamil?
  • Treats high blood pressure
  • Treats irregular heart rhythms (arrhythmias)
  • Lowers risk of heart attack and stroke
  • Prevents kidney damage related to hypertension
  • Available in extended-release formulas
Who should not take this medication?
  • Those who are allergic to Verapamil 
  • People with a known allergy or severe reaction to Calcium Channel Blockers (CCBs)
  • Pregnant women, breastfeeding or those planning to become pregnant
  • Those with a history of liver problems
  • People with severe heart conditions or heart failure
  • People who have slow heart rate (bradycardia) 
  • Those with low blood pressure (hypotension)
  • Those with myasthenia gravis (muscle disorder)
  • People with sick sinus syndrome (a heart rhythm problem)
  • Those who have second- or third-degree atrioventricular block (a heart rhythm problem)

If you have any of these conditions—or Raynaud's syndrome (a condition that causes the fingers and toes to become numb and cold), asthma, other respiratory issues, a history of significant lung diseases, porphyria (a rare blood disorder), kidney complications, or diabetes—speak with your healthcare provider before starting this medication.

Taking this medication when you have these conditions should be carefully and closely monitored by a healthcare provider.

Also tell your medical provider about any other medications you’re using before you start this hypertension treatment.

How do you take this medication?

This medicine is taken by mouth as prescribed by your licensed provider.

High blood pressure is a long-term (chronic) condition that can harm your organs. Medications for blood pressure are not a one-time cure. This medicine doesn't provide a complete cure for high blood pressure, so it's important to continue taking it, even if you start feeling better. If you stop taking it suddenly, this could cause dangerous problems, like heart attack or stroke. Follow your medical provider's instructions carefully.

What happens if I miss a dose?

It’s extremely important to take this medicine exactly as prescribed and not to miss any doses. If you do miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip it and continue with your regular medication schedule.

What happens if I take too much?

Taking too much of your hypertension medicine can lead to symptoms like hyperglycemia (high blood sugar), low blood pressure and irregular heart rhythms. These could even cause death if untreated.

If you’ve taken too much Verapamil, call your medical health provider or local poison control center (800-222-1222) immediately.

Can I get Verapamil online?

Dr. B can help you get a convenient refill of your hypertension medicine, including Verapamil and other calcium channel blockers. To start, complete a short health questionnaire and connect with a licensed medical provider.

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Side Effects

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It’s possible to have some side effects while using this hypertension treatment. Women are more likely than men to experience side effects. If side effects bother you, let your medical provider know. The most common side effects are:

  • Headache
  • Dizziness
  • Nausea
  • Constipation
  • Tiredness
  • Flushing
  • Swelling of arms, legs, hands or feet

Talk to your healthcare provider if your side effects are bothering you or if they don’t get better. If you have any severe side effects, like chest pain, trouble breathing, yellowing of skin or eyes, sudden weight gain or feeling like you might faint, get emergency help right away.

Don’t drive until you know how this medicine affects you. Be extra careful in the first hours after taking your pill because of the risk of dizziness or lightheadedness.

Getting your blood tested regularly is important to monitor your overall health. It's a good idea to have your bloodwork checked, which may include tests for renal function, glucose levels or potassium levels in your blood. These routine checks help ensure you are in good health and catch any potential issues early.