Pharmaceutical company accused of withholding HIV drug. November 24, 2018 compassq 5 THINGS TO KNOW, HEALTH, LIFESTYLES Comments Off on Pharmaceutical company accused of withholding HIV drug. (Image from Gen) , a company that holds a patent on Tenofovir Disoproxil Fumarate (TDF), is being sued for allegedly intentionally withholding a safer HIV drug. TDF is an HIV drug sold by Gilead Sciences as part of…