Question
What medication ingestion can lead to black urine?
Answer
There are many medical disorder and ingestion that can lead to change in urine colors.
Black discoloration of urine can be caused by:
Medication
- Alpha-methyldopa
- Cresol
- Iron
- Laxatives (cascara, senna)
- L-dopa
- Methocarbamol
- Metronidazole
- Nitrofurantoin
- Sorbitol
Medical condition
- Alcaptonuria
- Metastatic melanoma
- Pophyria
References
Aycock, RD et al. Abnormal Urine Color. Southern Medical Journal 2012;105;43-47.