Papaverine Side Effects

It is possible that some side effects of papaverine may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Applies to papaverine: oral capsule extended release, oral tablet

Along with its needed effects, papaverine 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 papaverine:

Rare
  • Abdominal pain or tenderness
  • blurred or double vision
  • change in ability to see colors, especially blue or yellow
  • clay-colored stools
  • dark urine
  • decreased appetite
  • deep, slow breathing
  • drowsiness
  • fatigue
  • fever
  • headache
  • insomnia
  • itching
  • loss of appetite
  • nausea and vomiting
  • painful or prolonged erection of the penis
  • skin rash
  • swelling of the feet or lower legs
  • trouble with breathing
  • unusual tiredness or weakness
  • vomiting
  • weakness
  • yellow eyes or skin

Some side effects of papaverine 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
  • Constipation
  • diarrhea
  • dizziness or lightheadedness
  • fainting
  • fast, pounding, or irregular heartbeat or pulse
  • feeling of constant movement of self or surroundings
  • flushed face
  • itching skin
  • nervousness
  • palpitations
  • pounding in the ears
  • sensation of spinning
  • sleepiness or unusual drowsiness
  • slow or fast heartbeat

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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