Calan

(Verapamil)

2.9/ 5 average rating with 43 reviewsforCalan
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Lowers blood pressure and controls heart rate.

Skip Upsides & Downsides section. Skip to side effects section.

Our bottom line

Verapamil works well to lower blood pressure and prevent chest pain, but you have to be okay with avoiding alcohol. You can't miss doses, and you might get persistent swelling.

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  • Lowest price with coupon
    $233.95
Quick facts about Calan
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (verapamil)

Upsides

  • A first-choice blood pressure treatment for many people.
  • Calcium channel blockers work especially well for African Americans to lower blood pressure.
  • You can take it alone or with other medicines to help lower blood pressure.
  • Lowers the risk of heart attack and stroke.
  • Prevents heart-related chest pain (angina) if you take it regularly.
  • Treats certain abnormal heart rhythms.
People’s experience with Calan

43reviews so far. What do you think?

Downsides

  • Calcium channel blockers can cause swelling in your limbs. If this happens for you, it probably won't get better over time, so talk to your doctor about alternatives if it bothers you.
  • Women are more likely to have side effects (especially swelling) from Verapamil than men.
  • You can't miss doses. Stopping Verapamil suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
  • Not a good medication for you if you drink alcohol.
How it works

Verapamil is a calcium channel blocker. It lowers blood pressure by slowing your heart rate and relaxing your blood vessels. Your heart gets more oxygen and doesn't have to work as hard to pump, which can relieve chest pain.

Quick facts about Calan
  • Drug class: Cardiovascular
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (verapamil)

Dosage forms

  • Pill
  • Extended release
  • Delayed release capsule
People’s experience with Calan

43reviews so far. What do you think?

Prices and coupons

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Side effect rates for Calan (Verapamil)

From 285 clinical trials of Calan when taken for (extended release)
  • Constipation
    7%7%
  • Headache
    5%5%
  • Dizziness
    4%4%
  • Lethargy
    3%3%
  • Dyspepsia
    3%3%
0%
10%
20%
30%
40%
50%
60%
70%
80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of Calan.

Calan (Verapamil)
Placebo

People taking Calan felt side effect more

People taking Calan felt side effect less

No difference

Risks and Warnings for Calan (Verapamil)

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    • Higher risk if:
    • Severe left ventricular dysfunction (ejection fraction <30%)
    • Taking beta-blockers

    Reports of heart failure or pulmonary edema (increased fluid in the lungs) have been reported. If your doctor feels that Calan (Verapamil) will work for you, they will work with you to control the issues with your heart before starting Calan (Verapamil).

Common concerns from people taking Calan (Verapamil)

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Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Tip: Always talk with your doctor before you take any medication while pregnant.
FDA pregnancy category for Calan
CWeigh risks vs. benefits
Interactions
  • Interacts with grapefruit and the cholesterol medicine Simvastatin.
Alcohol
  • Don't drink too much alcohol while taking this medicine.
  • Not a good medication for you if you drink alcohol.
Kidneys and liver
  • Your doctor may check your liver regularly, as there have been reports of liver damage which can only be seen through blood tests. If you do have a history of liver disease, let your doctor know.
  • Your doctor may monitor your heart to see if changes to its electrical system may occur, especially if you have had liver or kidney disease in the past.