CFR›Title 21›Chapter I›Part 348 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 348—EXTERNAL ANALGESIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE Subparts A Subpart A—General Provisions Sections 348.1–348.3 B Subpart B—Active Ingredients Section 348.10 C Subpart C—Labeling Section 348.50 Authority21 U.S.C. 321, 351, 352, 353, 355, 360, 371.Source57 FR 27656, June 19, 1992, unless otherwise noted. Previous 347 Part 347—Skin Protectant Drug Products for Over-the-Counter Human Use Next 349 Part 349—Ophthalmic Drug Products for Over-the-Counter Human Use