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How much time the viagra, (sildenafil) Cialis and other ED medications work?

1 doctor weighed in
Dr. David Sneid
Internal Medicine - Endocrinology

In brief: 15-60 minutes

In order to get into your system. Cialis may be the fastest onset.
If you mean duration of action, viagra and Levitra (vardenafil) work for up to 6 hours or so and Cialis be effective for up to 36 hours, but it varies a lot from person to person.

In brief: 15-60 minutes

In order to get into your system. Cialis may be the fastest onset.
If you mean duration of action, viagra and Levitra (vardenafil) work for up to 6 hours or so and Cialis be effective for up to 36 hours, but it varies a lot from person to person.
Dr. David Sneid
Dr. David Sneid
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