Amazon Expands Push Into Health Care With Online Pharmacy (2)

Amazon.com Inc. unveiled its biggest push into selling prescription drugs with the launch of a digital pharmacy and discounts for paying U.S. Prime members that sent shock waves through shares of drugstore chains and distributors.

The e-commerce giant on Tuesday unveiled Amazon Pharmacy, a section of its retail website and mobile application that lets people order medication. Shoppers can pay using their health insurance. Prime members who don’t use their insurance are eligible for discounts on generic and brand-name drugs on Amazon’s site or at about 50,000 participating pharmacies.

Amazon’s new offering comes more than two years after its $753 ...