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Full prescribing information from RxList.

Features information about dosage, usage, warnings, and side effects.

Official site for this erectile dysfunction medication. Includes clinical information about the drug and an online prescription form.

Features information about dosage, usage, warnings, and side effects.

Pharmacological effects of venlafaxine, given repeatedly, on the alpha 1-adrenergic, dopamine and serotonin systems.

Prepared by Ivan Goldberg, MD.

Contains consumer information including side effects, usage and precautions.