Brown urine
Brown urine can be a sign of more serious problems, such as liver damage or severe dehydration. It can also occur after intense physical activity.
 Recommendation: See a doctor if you experience this.
Red urine
Red or pink urine can be caused by certain foods such as beets, but it can also be a sign of blood in the urine, which requires attention.
 Warning: See a doctor if you are unsure or if it does not go away.
