Renal tubular acidosis complication of non-steroidal anti-inflammatory drugs induced interstitial nephritis and its complete resolution with steroids: A case report

Our patient exhibited persistent metabolic disturbances even after the cessation of NSAID therapy. Despite moderate chronicity, active interstitial inflammation responded favorably to corticosteroid treatment, resulting in improved renal function and restoration of tubular function, with normalization of acid-base and electrolyte parameters.