An Unusual Case of Relapsing and Remitting Acute Kidney Injury.

Paroxysmal nocturnal haemoglobinuria (PNH), although a rare type of acquired hemolytic anemia, can be life-threatening if not diagnosed early. Kidney involvement in PNH varies from reversible acute kidney injury to irreversible chronic damage. Here, we report a case of recurrent acute kidney injury in a young male requiring renal replacement support.