Erection medication: Viagra (sildenafil) is a brand of medication to aid with erectile dysfunction. It inhibits the breakdown of a substance in the blood, to allow for prolonged filling of the penile blood vessels.
Answered 9/19/2018
5.4k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question