Cylindrical metal canister, with metal screw-top lid and paper label, containing Antikamnia and Heroin Tablets. Indicated as 'A respiratory stimulant, sedative, analgesic, and expectorant'. Promoted on the label 'The combination of Heroin with Antikamnia affords a most efficient means of utilizing the synergic action of these drugs in all bronchial, pulmonary and respiratory diseases. Antikamnia and Heroin Tablets relieve cough, render expectoration easy without untoward and are palliative and curative in the treatment of dyspnoea'. Contain the active ingredients antikamnia and heroin hydrochloride. An alternative name for antikamnia is acetanilide, an analgesic and antipyretic drug introduced to medicine in 1886 antifebrin. During its history it was used primarily for its analgesic properties. Antikamnia and Heroin Tablets are listed in Sangers catalogue from 1906 up until round 1916.