Sebastian S. Lighvani, MD New York Allergy and Asthma,PLLC 261 East 78'* Street New York, NY 10075 Persons scheduled for skin testing should not take antihistamines or medications containing them for at least 3 but preferably 5 days before being tested. Antihistamines are often found in cold or allergy medicines. You may continue to take decongestants, mucus thinners and most nasal sprays. Some of the available antihistamines are listed below. ACTIFED ALLEGRA ALLEGRA-D ALLERX ATARAX ATROHIST ASTELIN ASTEPRO AZATIDINE BENADRYL BROMPHED BROMPHENIRAMINE CARBINOXAMINE CETRIZINE CHLORPHENIRAMINE CHLORTRIMETON CLARINEX CLARINEX-D CLEMASTINE COTYLENOL CYPROHEPATIDINE DESLORATIDINE DIMETANE DIMETAPP DIPHENHYDRAMINE DRISTAN FEXOFENADINE HYDROXYZINE LORATIDINE NOLAMINE OPTIMINE PATANASE PBZ PERIACTIN PHENERGAN PROMETHAZINE RONDEC SEMPREX-D TAVIST TAVIST-D TELDRIN TRINALIN TRIPELENNAMINE TRIPROLIDINE TYLENOL PM UNIDECON VISTARIL XYZAL ZYRTEC ZYRTEC-D EFTA00289164