Amazon Offers $5-a-Month Prescription Drugs to Prime Members (1)

Amazon.com Inc. has started a subscription service that lets Prime members purchase multiple drugs for a flat fee of $5 a month, the e-commerce giant’s latest foray into health care.

Called RxPass, the offering lets patients order generic medications that treat more than 80 common health conditions, the company said in a statement Tuesday. Customers need to be members of Amazon’s $139-a-year Prime service to join and will be entitled to free delivery.

Prices for some individual generic drugs are already cheap, so $5 a month doesn’t necessarily represent a discount, said Kate McCarthy, a Gartner vice president who tracks ...