Viagra (sildenafil) is usually very effective as an erectile dysfunction treatment when taken at a normal dose on an empty stomach.
However, generic viagra and other ED medications aren’t always as effective as they claim. In fact, some men who take Viagra still have erectile dysfunction and other sexual performance problems after taking it.
The majority of the time, these issues can be resolved. We’ve covered why Viagra and other ED drugs like Cialis (tadalafil) don’t always work as well as they should, as well as what you can do if you’re still having trouble getting and keeping an erection after taking Viagra.