part_subject: "ANTACID PRODUCTS FOR OVER-THE-COUNTER (OTC) HUMAN USE"
subpart_code: "B"
subpart_subject: "Active Ingredients"
section_number: "331.15"
section_subject: "Combination with nonantacid active ingredients."
cfr_reference: "21 CFR 331.15"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 300 to 499"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)An antacid may contain any generally recognized as safe and effective nonantacid laxative ingredient to correct for constipation caused by the antacid. No labeling claim of the laxative effect may be used for such a product.
(b)An antacid may contain any generally recognized as safe and effective analgesic ingredient(s), if it is indicated for use solely for the concurrent symptoms involved, e.g., headache and acid indigestion, and is marketed in a form intended for ingestion as a solution.
(c)An antacid may contain any generally recognized as safe and effective antiflatulent ingredient if it is indicated for use solely for the concurrent symptoms of gas associated with heartburn, sour stomach or acid indigestion.