Every apothecary or every person employed as clerk or salesman by an apothecary, or otherwise carrying on business as a dealer in drugs or medicines, who, in putting up any drugs or medicines, willfully, negligently or ignorantly omits to label the same, or puts any untrue label, stamp or other designation of contents upon any box, bottle or other package containing any drugs or medicines, or substitutes a different article for any article prescribed or ordered, or puts up a greater or less quantity of any article than that prescribed or ordered, or otherwise deviates from the terms of the prescription or order which he undertakes to follow, in consequence of which human life or health is endangered, is guilty of a misdemeanor.