Why is the urine a little dark?

Urine a little black, may be acute hemolysis, uremia, urethritis and other diseases caused.
1. Acute hemolysis: due to a variety of factors leading to the destruction of red blood cells in the body in a short period of time, there will be a situation where the patient’s urine color is dark.
2. Uremia: usually due to the reduced function of the kidneys, metabolites can not be discharged from the body, a large number of accumulation in the body, toxins will be discharged with the urine out of the body, there will be a black urine.
3. Urethritis: patients due to urethral injury, pathogenic microbial infection, low autoimmunity and other factors lead to inflammatory reactions in the urethra. Inflammatory mediators stimulate the urethral mucosa, can cause mucosal bleeding damage, will cause urine blackening.
There are other reasons for patients to have dark urine, they should go to the hospital in time for examination, and choose the appropriate method of treatment under the guidance of the doctor.