Pfizer's Viagra Weighed by U.S. FDA for Children With Rare Lung Disorder

Pfizer's Viagra Weighed by U.S. FDA for Children With Rare Lung Disorder

A form of Pfizer Inc.’s erection drug Viagra, sold as the blood-pressure treatment called Revatio in adults, may be used for children with a rare lung disorder if U.S. regulators can agree on how to test it.