Usually sweat is a clear liquid. Occasionally a patient may notice that clothing that has absorbed sweat is discolored.
|
Color
|
Cause
|
|
red
|
rifampin, blood
|
|
blue or blue green
|
copper, chromhidrosis
|
|
black or blue black
|
chromhidrosis
|
|
yellow
|
chromhidrosis
|
|
brown
|
ochronosis, levodopa
|
where:
• Chromhidrosis = colored sweat, which may be hereditary or idiopathic
• Ochronosis is a darkening of tissues. It can be seen in alkaptonuria and other metabolic disorders.
