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Papacon Side Effects

Generic Name: papaverine

Note: This page contains side effects data for the generic drug papaverine. It is possible that some of the dosage forms included below may not apply to the brand name Papacon.

Applies to papaverine: oral capsule extended release, oral tablet

As well as its needed effects, papaverine (the active ingredient contained in Papacon) may cause unwanted side effects that require medical attention.

Major Side Effects

If any of the following side effects occur while taking papaverine, check with your doctor immediately:

  • 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

Minor Side Effects

Some papaverine side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned 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

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

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. 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.