In other skin changes, which are circular in shape, covering a large or small area, bluish black or white in colour (known as nyaccha), bloodletting therapy (sira vyadha) as per convenience is advised. [Su. Sa. Chikitsa Sthana 20/33] | In other skin changes, which are circular in shape, covering a large or small area, bluish black or white in colour (known as nyaccha), bloodletting therapy (sira vyadha) as per convenience is advised. [Su. Sa. Chikitsa Sthana 20/33] |