Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original ...

Pfizer was founded in 1849 by two recent German ... But despite the cultural ubiquity, Viagra has recently faced the inevitable threat from competition and generics, dropping from 92% of the ...

and the introduction of Viagra in 1998. Currently, Eliquis is the major contributor to total revenue, representing approximately 22% of Pfizer’s total revenue. This anticoagulant reduces the ...