Authors: Moledina DG, Perazella MA
Abstract
Proton pump inhibitors (PPIs) are commonly prescribed and available over-the-counter, and are taken by millions of patients around the world, often for many months to years. While PPIs have an excellent overall safety profile, concerns have been raised about adverse renal events, specifically their association with acute interstitial nephritis (AIN). While only a small proportion of patients develop AIN from PPIs, these drugs are now a common cause of drug-induced AIN in the developed world due to their widespread and prolonged use. PPI-induced AIN is often subtle and without systemic allergic manifestations; subclinical, leading to gradually progressive kidney failure; delayed, median time from drug initiation to AIN diagnosis often exce...