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Verapamil

Verapamil Side Effects

Allison Gourley, PharmDRobert Chad Hakim, PharmD, BCCCP
Reviewed by Allison Gourley, PharmD, Robert Chad Hakim, PharmD, BCCCP
Last reviewed on November 28, 2023

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Constipation (7%)
  • Dizziness (3%)
  • Nausea (3%)
  • Low blood pressure (3%)
  • Headache (2%)
  • Swelling in the hands and feet (2%)
  • Tiredness (2%)

Less Common Side Effects

  • Trouble catching your breath
  • Rash
  • Flushing

Verapamil serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Heart failure: chest pain, difficulty breathing, dizziness, tiredness, swollen legs and feet, bloating
  • Dangerously low blood pressure: dizziness, lightheadedness, pale skin, feeling faint
  • Liver problems: severe nausea, vomiting, right-sided stomach pain, fatigue, low or no appetite, yellowing of the skin or eyes

Source: DailyMed

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The following Verapamil side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

Blue lips and fingernails

blurred vision

burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

chest pain

confusion

coughing that sometimes produces a pink frothy sputum

difficult, fast, noisy breathing, sometimes with wheezing

dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly

increased sweating

lightheadedness, dizziness, or fainting

pale skin

shortness of breath

slow or irregular heartbeat

sore throat

sweating

swelling in legs and ankles

unusual tiredness or weakness

Rare

Chills

cold sweats

feeling of warmth

redness of the face, neck, arms and occasionally, upper chest

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Difficulty having a bowel movement (stool)

headache

Less common

Acid or sour stomach

belching

difficulty in moving

heartburn

indigestion

joint pain

muscle aching or cramping

muscle pains or stiffness

nausea

rash

stomach discomfort, upset, or pain

trouble sleeping

unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

swollen joints

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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