Section 31
SEC. 31. Label of dispensed medicine.&mdashUpon every box bottle, or other package containing medicine sold or dispensed by a pharmacist based on prescription, there shall be pasted, affixed or imprinted a seal or label bearing, among others, the name and address of pharmacy; the names and quantities of the ingredients; required doses therof, its expiration date if any; the name of the prescriber, date and the number of prescription; and the direction for its use. Every prescription, which in its preparation, contains any quantity of a drug which is habit-forming, or a derivative of such drug, shall have in the label attached to the container the added statement "Warning&mdashmay be habit-forming." Every prescription for external use filled in the drugstore shall bear a red label showing in black ink the components of such prescription and the words "For external use only" at the bottom of the label.