How does the urine look like in Hemoglobinuria and myoglobinuria before and after centrifugation?
Both conditions cause red, amber, or “Coca-Cola” colored transparent urine that remains pigmented after centrifugation.
Urine remains pigmented after centrifugation because the pigments are dissolved in the urine and do not settle at the bottom like RBCs in hematuria.
How can the urine look like in porphyrias?
Tea colored urine in porphyria cutanea tarda
Red-purple urine in acute intermittent porphyria
How does the urine look like in beeturia?
red discoloration of urine after eating beetroot
How can the urine look like in Drug-induced urine discoloration?
Rifampin: harmless red-orange discoloration of bodily fluids (urine, sweat, tears) -> Contact lenses should be avoided while taking rifampin because staining is irreversible
Phenazopyridine: orange discoloration of urine
What are 4 DDs for hematuria?
Hemoglobinuria and myoglobinuria
Porphyrasis
Beeturia
Drug-induced urine discoloration
Last changed2 years ago