Quinapril shortage looms as TGA investigates contamination

Patients have been told to continue taking their quinapril medication, but to consider alternatives
Sarah Simpkins

Doctors are being urged speak to their patients about alternative blood pressure-lowering treatments to quinapril amid a looming shortage, as the TGA investigates the potential contamination of several products. 

It follows the detection of very low levels of N-nitroso-quinapril, a nitrosamine impurity, in prescription medicines containing the ACE inhibitor, as well as those with both quinapril and the diuretic hydrochlorothiazide.