[Code of Federal Regulations] [Title 21 Volume 5] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR343.22] [Page 252] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 343--INTERNAL ANALGESIC, ANTIPYRETIC, AND ANTIRHEUMATIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE--Table of Contents Subpart B--Active Ingredients Sec. 343.22 Permitted combinations of active ingredients for cardiovascular-rheumatologic use. Combinations containing aspirin must meet the standards of an acceptable dissolution test, as set forth in Sec. 343.90. The following combinations are permitted: Aspirin identified in Secs. 343.12 and 343.13 may be combined with any antacid ingredient identified in Sec. 331.11 of this chapter or any combination of antacids permitted in accordance with Sec. 331.10(a) of this chapter provided that the finished product meets the requirements of Sec. 331.10 of this chapter and is marketed in a form intended for ingestion as a solution.