For kidney function how harmful are nsaids?

Can be bad: Nsaids are commonly used meds & can be obtained over the counter, so a great question! by themselves, they cause a change in an important chemical pathway that helps kidneys regulate their blood flow, so if someone has a problem already they can make it worse. Combining with some common BP meds, the ace inhibitors can cause kidney failure so be careful.Nsaids are a common cause kidney damage.