Comma - AMA Manual of Style

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Cheryl Iverson

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PRINTED FROM AMA MANUAL OF STYLE ONLINE ( © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy). date: 30 November 2015

Commas are the least forceful of the 3 marks. There are definite rules for using commas; however, usage is often subjective. Some writers and editors use the comma frequently to indicate what they see as a natural pause in the flow of words, but commas can be overused. The trend is to use them sparingly. Follow the accepted rules and use commas only when breaks are needed for sense or readability or to avoid confusion or misinterpretation. The comma is used to separate phrases, clauses, and groups of words and to clarify the grammatical structure and the intended meaning. Use

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