Hair dyes (black stone) toxicity and its complications

The insecticidal suicides now a dayare replaced by the domestic use chemicals,which are cheaper and good in taste as compared to bad odor and taste of insecticides. the aim of current study was to find out clinical course,complications and management of black stone (kala pathar) commonly used as hair dye. three years consecutive data collection was done from casualty departments of two different hospitals. the parameters i.e. patients' presentations,complications and biochemical analysis were performed. the investigated patient's gender ratio was 24 females and 01 male. the angioedema along with rhabdomyolysis and kidney failure are major clinical complications of the black stone. the emergency treatment with steroids and hydration may be the possible therapy. in addition,the tracheotomy considered as good emergency management.the proper awareness campaign regarding availability and dangerous aspects of black stone (kala pathar) also is warranted for future.