Home › CFR › Title 21 › Part 34321 CFR Part 343 — Internal Analgesic, Antipyretic, and Antirheumatic Drug Products for Over-the-Counter Human UseSubpart A — General Provisions§ 343.1— Scope.§ 343.3— Definitions.Subpart B — Active Ingredients§ 343.12— Cardiovascular active ingredients.§ 343.13— Rheumatologic active ingredients.§ 343.22— Permitted combinations of active ingredients for cardiovascular-rheumatologic use.Subpart C — Labeling§ 343.80— Professional labeling.Subpart D — Testing Procedures§ 343.90— Dissolution and drug release testing.