it is a rare chronic inflammatory disease ,characterized by pappulopustoulous ,usually occuring about the forehead scalp leaving a depressed scar.
initial lesions are smallpale macules or papules which soon become reddish brown

CAUSE — the exact cause is unknown but it is probably due to microbial invasion. it effects both sexes at the middle period of life and a relation to tuberculosis gout rheumatism git disorders is found.

HOMEOPATHIC TREATMENT —
frequently used medicines are
kali brom
sulphur
nat.sulph
belladona
ars.alb