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 ... may have been used in hundreds of drugs, which remain available for sale on pharmacy shelves and in Americans ...

Historically focused on providing generic Viagra at prices well below the market average, the company is now extending its ...