Dark urine

Dehydration can cause dark yellow urine. Jaundice, muscle breakdown, Gilbert’s syndrome (resulting in dark orange to brown urine), and melanoma (resulting in black urine) are other conditions that can cause urine to darken.

Source | Author Doctor Nikas Samuolis, reviewed by Prof. Virginijus Šapoka | Vilnius University | Faculty of Medicine | Head of the Department of Internal Medicine, Family Medicine, and Oncology