Mercurochrome/Merbromin is an antiseptic which is suitable for topical application purpose. Formulated from mercury, this red colored liquid medicine is effective in treating minor cut and injury. Mercury based content of this medicine is effective in interfering metabolic function of microorganism for treating wound. Besides applying on external cuts, this medication is also effective in providing relief from pain associated with wound based swelling. Standard of Mercurochrome/Merbromin has been tested on the basis of its storage life, composition, therapeutic value and mode of action.