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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 21
Chapter I
Part 343 - PART 343—INTERNAL ANALGESIC, ANTIPYRETIC, AND ANTIRHEUMATIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
Subpart A [§ 343.1 - § 343.3] - Subpart A—General Provisions
Subpart B [§ 343.10 - § 343.22] - Subpart B—Active Ingredients
Subpart C [§ 343.50 - § 343.80] - Subpart C—Labeling
Subpart D [§ 343.90 - § 343.90] - Subpart D—Testing Procedures
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