/ Thesaurus / P Synonyms of phenyltoloxamine Find synonyms for: Noun1. phenyltoloxamine, antihistamineusage: antihistamine included in some preparations used to treat coughing and nasal congestionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language