DESCRIPTION
Histacalamine is a soothing astringent. It contains Calamine and  Chlorpheniramine Maleate.
 
Role of key ingredients:
Calamine prevents pus from oozing out.
Chlorpheniramine Maleate a potent anti-histamine which gives prompt relief from pruritus and irritable allergic conditions. 
 
Histacalamine is effective as a treatment for urticaria, allergic dermatitis, contact dermatitis and drug dermatitis.
 
Directions for use:

Histacalamine should be applied on the affected part with the help of cotton wool three or four times a day until the oozing conditions and irritation subside.
 
Use under medical supervision.