Your doctor may use an acid-fast bacteria (AFB) stain test to see if you have a lung disease like tuberculosis (TB).In addition to showing tuberculosis, an AFB stain can also show if you have ...

Acid fast stain has also been useful in detecting bacteria belonging to the genus Nocardia. The reagents used in the making of the stain are carbol fuchsin, acid alcohol and methylene blue.

The same treatment is used to differentiate acid-fast bacteria from others. Nature - Staining of Bacteria and Certain Fungi. Skip to main content. Thank you for visiting nature.com.