The day after Pfizer Inc’s patent for Viagra expired in Brazil, Carlos Sanchez flooded pharmacies with his generic erectile dysfunction pills. It was a day his army of lawyers, researchers and ...

(Bloomberg) -- Generic versions of erectile dysfunction drugs Viagra and Cialis, among other medications, were allowed on the US market using potentially problematic data that call into question ...

This article is intended for US audiences. The name “Friday Plans” has become synonymous with affordable ED medication.