Gilead delayed a new version of a drug, allowing it to extend the patent life of a blockbuster line of medications, internal documents show.

In recent months ominous ads about prescription drugs have flooded the TV airwaves.

Health insurers and medical providers are battling over who should supply high-cost infusion drugs for patients, with the tussle over profits now spilling into statehouses across the country.

The government will soon announce the first 10 medications that will be subject to price negotiations with Medicare under a new law.

Millions of adults in the United States are not taking their medications as prescribed because of costs, according to a new report from the US Centers for Disease Control and Prevention.