Three medicines taken daily by millions—for hypertension, invasive fungal infections, and organ transplant survival—have been formally classified as Group 1 carcinogens by the WHO's cancer research agency, placing them in the same hazard category as tobacco and asbestos. The International Agency for Research on Cancer, following a review by scientists from 13 countries, identified hydrochlorothiazide, voriconazole, and tacrolimus as capable of causing cancer under certain conditions—yet this designation speaks to hazard, not to the lived calculus of a patient who depends on these drugs to surv
IARC classifies three essential medicines as carcinogenic; doctors urge continued treatment
Patients discontinuing these medicines face life-threatening consequences including uncontrolled hypertension, fatal fungal infections, and organ transplant rejection.