Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 21 - Food and Drugs |
Chapter I - Food and Drug Administration, Department of Health and Human Services |
SubChapter D - Drugs for Human Use |
Part 346 - Anorectal Drug Products for over-the-Counter Human Use |
Subpart A - General Provisions |
§ 346.3 - Definitions.
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§ 346.3 Definitions.
As used in this part:
(a) Analgesic, anesthetic drug. A topically (externally) applied drug that relieves pain by depressing cutaneous sensory receptors.
(b) Anorectal drug. A drug that is used to relieve symptoms caused by anorectal disorders in the anal canal, perianal area, and/or the lower rectal areas.
(c) Antipruritic drug. A topically (externally) applied drug that relieves itching by depressing cutaneous sensory receptors.
(d) Astringent drug. A drug that is applied topically (externally) to the skin or mucous membranes for a local and limited protein coagulant effect.
(e) External use. Topical application of an anorectal drug product to the skin of the perianal area and/or the skin of the anal canal.
(f) Intrarectal use. Topical application of an anorectal drug product to the mucous membrane of the rectum.
(g) Keratolytic drug. A drug that causes desquamation (loosening) and debridement or sloughing of the surface cells of the epidermis.
(h) Local anesthetic drug. A drug that produces local disappearance of pain, burning, itching, irritation, and/or discomfort by reversibly blocking nerve conduction when applied to nerve tissue in appropriate concentrations.
(i) Protectant drug. A drug that provides a physical barrier, forming a protective coating over skin or mucous membranes.
(j) Vasoconstrictor. A drug that causes temporary constriction of blood vessels.