Myobid
Brand names,
Myobid
Analogs
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Brand Names Mixture
Myobid
Chemical_Formula
C20H21NO4
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RX_link
http://www.rxlist.com/cgi/generic/papaverine.htm
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fda sheet
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msds (material safety sheet)
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Synthesis Reference
No information avaliable
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Molecular Weight
339.385 g/mol
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Melting Point
No information avaliable
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H2O Solubility
No information avaliable
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State
Solid
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LogP
3.72
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Dosage Forms
Liquid
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Indication
For the treatment of impotence
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Pharmacology
Papaverine is a nonxanthine phosphodiesterase inhibitor for the relief of cerebral and peripheral ischemia associated with arterial spasm and myocardial ischemia complicated by arrhythmias. The main actions of Papaverine are exerted on cardiac and smooth muscle. Like qathidine, Papaverine acts directly on the heart muscle to depress conduction and prolong the refractory period. Papaverine relaxes various smooth muscles. This relaxation may be prominent if spasm exists. The muscle cell is not paralyzed by Papaverine and still responds to drugs and other stimuli causing contraction. The antispasmodic effect is a direct one, and unrelated to muscle innervation. Papaverine is practically devoid of effects on the central nervous system. Papaverine relaxes the smooth musculature of the larger blood vessels, especially coronary, systemic peripheral, and pulmonary arteries.
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Absorption
No information avaliable
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side effects and Toxicity
No information avaliable
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Patient Information
No information avaliable
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Organisms Affected
Humans and other mammals