April 30, 2017
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Papaverine Patient Information Including Side Effects

Brand Names: Papacon, Para-Time S. R., Pavabid Plateau, Pavacot, Pavagen

Generic Name: papaverine (Pronunciation: pa PAV uh reen)

What is papaverine (Papaverine)?

Papaverine is in a class of drugs called vasodilators. Papaverine relaxes veins and arteries, which makes them wider and allows blood to pass through them more easily. These actions may help to increase the amount of oxygen-rich blood in your brain, heart, and muscles.

Papaverine may also be useful in treating conditions involving spasms of the intestines and urinary tract.

Papaverine may also be used for purposes other than those listed in this medication guide.

Papaverine 150 mg-URL

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What are the possible side effects of papaverine (Papaverine)?

Stop taking papaverine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Stop taking papaverine and contact your doctor if your skin or eyes develop a yellow tint.

Other, less serious side effects may be more likely to occur. Continue to take papaverine and talk to your doctor if you experience

  • nausea, decreased appetite, diarrhea, or constipation;
  • dizziness or drowsiness;
  • headache;
  • sweating and flushing;
  • a rash; or
  • irregular heartbeats.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

Read the Papaverine (papaverine) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about papaverine (Papaverine)?

Use caution when driving, operating machinery, or performing other hazardous activities. Papaverine may cause dizziness. If you experience dizziness, avoid these activities.

If you experience dizziness, rise slowly from a sitting or lying position to avoid falling.

Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking papaverine.

Notify your doctor if you experience especially bothersome sweating, rash, flushing, headache, tiredness, yellowing of your skin, nausea, decreased appetite, diarrhea, or constipation.

Side Effects Centers

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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