Papaverine
Description
  An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.
Synonyms
  Cerespan
Papaverine Hydrochloride
Pavabid
Pavatym
Hydrochloride, Papaverine
Parents
  Benzylisoquinolines
Opiate Alkaloids
Children
  Tetrahydropapaveroline
Actions
  Phosphodiesterase Inhibitors
Vasodilator Agents
Experts
  Joseph A. Gascho
Tree Numbers
  D03.132.098.666
D03.132.577.750
D03.438.531.085.666
MeSH ID
  D010208

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