Title 21: Food and Drugs
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/ PART 335 - ANTIDIARRHEAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
/ Subpart A - General Provisions / § 335.3 Definitions.
§ 335.3 Definitions.
As used in this part:
(a) Antidiarrheal. A drug that can be shown by objective measurement to treat or control (stop) the symptoms of diarrhea.
(b) Diarrhea. A condition characterized by increased frequency of loose, watery stools (three or more daily) during a limited period (24 to 48 hours), usually with no identifiable cause.
(c) Travelers' diarrhea. A subset of diarrhea occurring in travelers that is most commonly caused by an infectious agent.