A member asked:

Which drug is more effective for treating erectile dysfunction - viagra, cialis or levitra (vardenafil)?

A doctor has provided 1 answer

See remark: All three drugs have same basic ingredient They all work well, each may have few whistles & bells. Cialis stays in our system about 3 days .I tell my patients it is like comparing Plymouth & Dodge...or chevy and Pontiac. For some reason some respond to one more than others..

Answered 2/15/2020

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