Crossword solverSynonyms for antihistamine26 crossword answers for “antihistamine” (13), sorted by letter count.How many letters?All267185951031111211331421511612222317 letters 1actifed8 letters 5medicineantivertDimetanebenadryldimetapp9 letters 5DramaminephenerganCoricidinmeclizinePeriactin10 letters 3medicationmedicamentpyrilamine11 letters 1pheniramine12 letters 1promethazine13 letters 3medicinal drug(9,4)chlor-trimeton(5-8)methapyrilene14 letters 2dimenhydrinatecyproheptadine15 letters 1diphenhydramine16 letters 1phenyltoloxamine22 letters 2meclizine hydrochloride(9,13)brompheniramine maleate(15,7)23 letters 1chlorpheniramine maleate(16,7)