[REQ_ERR: 404] [KTrafficClient] Something is wrong. Enable debug mode to see the reason.
Viagra date invention
Umgangssprachlich wird der Name Viagra gelegentlich auch als Sammelbegriff für andere Medikamente dieser Wirkstoffgruppe, beispielsweise Tadalafil (Cialis). Sildenafil, the active ingredient in Viagra, was originally developed to treat. Despite the drug’s popularity today, the researchers who discovered it weren’t even looking for it. It was approved for medical use in the United. Pfizer originally discovered the medication in while looking for a treatment for heart-related chest pain. Date: Jan Summary: English: Viagra is a commercial produced medicine containing sildenafil citrate, which is used to treat male erectile dysfunction. And thus, Viagra was born. As the first oral pharmaceutical drug for ED, it. Mar 10, · Pfizer quickly patented sildenafil in and got FDA approval for it in as a drug to treat erectile dysfunction. As the first oral pharmaceutical drug for ED, it. Pfizer quickly patented sildenafil in and got FDA approval for it in as a drug to treat erectile dysfunction. And thus, Viagra was born. As the first oral pharmaceutical drug for ED, it. Pfizer quickly patented sildenafil in and got FDA approval for it in as a drug to treat erectile dysfunction. And thus, Viagra was born. In the first year alone, the $8 . 24/11/ · Though unconfirmed, it is believed the drug was invented by Peter Dunn and Albert Wood. Viagra’s massive success was practically instantaneous. ratiopharm GmbH; Original Assignee: ratiopharm GmbH; Priority date (The priority date The invention relates to an orodispersible tablet comprising the. Sildenafil was patented in , and a mere two years later–a stunningly short time compared to other drugs–it was approved by the FDA for use in treating “.