Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired, potentially life-threatening disorder. It causes the red blood cells to break apart, a process called hemolysis. This releases hemoglobin ...

Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disease that affects red blood cells, causing symptoms like dark urine, fatigue, and unexplained bruising. Early diagnosis is challenging due to ...