When a person has black or dark-colored mucus ... When other factors are responsible for the change in color, a person should consult a doctor as soon as possible. Black mucus is often a warning ...
Dark amber, brown, or red-tinted urine may be a symptom of kidney failure. You should contact your doctor if you notice persistent changes in the color of your urine. An increase in proteins ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results