Episodic haemoglobinuria due to haemolysis caused by repeated mechanical injury to red cells that travel through small vessels overlying the bones of hands and feet in long-distance marching—soldiers, marathon running, calisthenics, karate
Lab Myoglobinuria, proteinuria, increased BUN, increased enzymes—e.g., creatinine phosphokinase, increased lactic acid
march haemoglobinuria redness of the urine due to presence of haemoglobin following prolonged walking/running. Occurs due to direct trauma to the blood cells in the vessels in the soles of the feet. Requires no specific treatment but can be minimized by decreasing walking/running on hard surfaces or wearing more appropriate footwear.