4 doctors weighed in:

Viagra (sildenafil) or cialis.. Which has less side effects?

4 doctors weighed in
Dr. George Klauber
Pediatrics - Urology
3 doctors agree

In brief: About the same

Both medications have a very similar molecular structure as well as action, so side effects are similar.

In brief: About the same

Both medications have a very similar molecular structure as well as action, so side effects are similar.
Dr. George Klauber
Dr. George Klauber
Thank
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