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Papaverine

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Papaverine

Papaverine Hydrochloride
Sustained Release Capsules, 150 mg

Papaverine

DRUG DESCRIPTION

Papaverine hydrochloride, C20H21NO4•HCl, is a white, crystalline powder, odorless, with a slight bitter taste and is soluble in water.

Each capsule contains: papaverine hydrochloride USP 150 mg.

Chemically, it is Isoquinoline,1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-, hydrochloride. It has a molecular weight of 375.85. It has the following structural formula:

Papaverine Hydrochloride Structural Formula Illustration

Manufactured in a special base which is designed for prolonged release. Each capsule also contains the following inactive ingredients: FD&C blue No. 1, FD&C red No. 40, gelatin, pharmaceutical glaze, povidone, silicon dioxide, sodium lauryl sulfate, corn starch, sucrose and talc.

What are the possible side effects of papaverine (Papacon, Para-Time S. R., Pavabid Plateau, Pavacot, Pavagen)?

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...

Read All Potential Side Effects and See Pictures of Papaverine »

Last reviewed on RxList: 3/31/2009
This monograph has been modified to include the generic and brand name in many instances.

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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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