AMA Style uses title case with specific rules about which words to lowercase, while sentence case capitalizes only the first word. The two look very different.
AMA Style capitalizes major words while lowercasing articles, coordinating conjunctions, and short prepositions. It governs journals published by the American Medical Association, including JAMA.
AMA Style is required for submissions to major medical journals and most clinical research publications. Medical writers and clinical researchers are expected to follow it.
Open AMA Style converterSentence case capitalizes only the first word of a title or heading and any proper nouns, treating the text exactly like a sentence. It is the dominant style in British English and digital product interfaces.
Sentence case is the standard for user interfaces, navigation menus, software documentation, and most British publications. Many technology companies mandate it for product copy.
Open Sentence Case converterAMA Style is required for submissions to major medical journals and most clinical research publications. Medical writers and clinical researchers are expected to follow it.
Prepositions of three letters or fewer are lowercased. Proper nouns, brand names, and drug names follow their standard capitalization throughout.
Sentence case is the standard for user interfaces, navigation menus, software documentation, and most British publications. Many technology companies mandate it for product copy.
All words after the first are lowercase unless they are proper nouns. Common nouns, verbs, and adjectives are not capitalized.
Choose AMA Style for medical journals and clinical publications that require it.
Choose sentence case for software interfaces, British publications, and digital documentation.
The context determines the choice. Clinical researchers follow AMA Style, while product teams and British editors follow sentence case.