8. Cuprimine
Typical cost for a 30-day supply: $39,800
Treats: Wilson’s Disease, the buildup of copper in liver and other organs; Cystinuria, which causes kidney stones; and rheumatoid arthritis.
Cuprimine is owned by Valeant Pharmaceuticals, a company that has drawn intense criticism for the way that it prices its drugs. Cuprimine reportedly cost just $93 a decade ago.
