Papaverine
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.
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Subheadings:
Tree Number(s): D03.132.098.666, D03.132.577.750, D03.633.100.531.085.666
MeSH Unique ID: D010208
Registry Number: DAA13NKG2Q
Entry Terms:
- Cerespan
- Papaverine Hydrochloride
- Hydrochloride, Papaverine
- Pavabid
- Pavatym
Pharmacologic Action: