Liver disease is a very broad term that encompasses ... your doctor if you notice any yellowing of the skin or eyes. 2. Dark urine — even if you’re hydrated Dark urine on its own typically ...

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 ...