Dark urine is usually caused by dehydration, but it can signal other conditions or be a side effect of your diet and medications. Learn more about the possible causes and prevention tips.

Urine can be yellow or orange if you're dehydrated or for other reasons. See a urine color chart and learn what causes different color urine.

The color of urine can help identify whether a person is hydrated. It can also provide an indication of underlying medical conditions. Learn more here.