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Nimodipine Side Effects

Some side effects of nimodipine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to nimodipine: oral capsule liquid filled, oral solution, oral tablet

Along with its needed effects, nimodipine 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 while taking nimodipine:

Less common
  • Blurred vision
  • chest pain or discomfort
  • confusion
  • difficult or labored breathing
  • fast, pounding, or irregular heartbeat or pulse
  • lightheadedness, dizziness, or fainting
  • shortness of breath
  • slow or irregular heartbeat
  • sweating
  • swelling
  • tightness in the chest
  • unusual tiredness or weakness

Some side effects of nimodipine 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:

Less common
  • Abdominal or stomach cramps, discomfort, or pain
  • back pain
  • blemishes on the skin
  • constipation
  • diarrhea
  • discouragement
  • feeling sad or empty
  • headache
  • indigestion
  • irritability
  • lack or loss of appetite
  • loss of interest or pleasure
  • muscle pain
  • nausea or vomiting
  • pimples
  • rash
  • swollen mouth and tongue
  • tiredness
  • trouble concentrating
  • trouble sleeping
  • unpleasant taste
  • urge to have bowel movement

For Healthcare Professionals

Applies to nimodipine: oral capsule, oral liquid

Cardiovascular

Cardiovascular effects have frequently been associated with the use of nimodipine, and are related to its vasodilatory properties. Mild to moderate hypotension has been reported in up to 5% of patients, and was the reason less than 1% of patients chose to discontinue therapy. Bradycardia has been reported and may be severe in rare cases. Rare cardiovascular side effects have included tachycardia, hypertension, peripheral edema, dizziness, and flushing. A case of pulmonary vasoconstriction has been associated with the use of this drug.

Nervous system

The incidence of nervous system side effects associated with the use of nimodipine has been similar to placebo in large studies. Headache has been reported in 4% of patients, and is believed to be due to the vasodilatory properties of nimodipine.

Hepatic

Hepatic effects include transient, reversible elevations in liver function tests.

Hematologic

Hematologic side effects are rare and have included thrombocytopenia and anemia.

Gastrointestinal

Gastrointestinal intolerance occurs occasionally.

Dermatologic

Dermatologic effects include occasional cases of rash.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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