June 28, 2016
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Papaverine

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Papaverine

Papaverine Hydrochloride
Sustained Release Capsules, 150 mg




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.

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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