Antihistamine list Please hold these medications 5 days prior to skin testing Any non-barbiturate sedatives Dimetane Poly-DM Syrup with the name “P.M.”, “sleepaid”, Dimetapp Premysn or “nighttime” Doxepin Promethazine Acrivastine Dramamine Pyrilamine Actifed Dristan Pyrroxate Adapin Drixoral Pyrlex, Pyrlex PD Alavert (loratadine) Drixoral Cold & Flu Quelidrine Alfen DMA Drixoral Cold & Allergy Rescon Alka-Seltzer Plus Cold & Cough Duratuss Rezine Allegra(fexofenadine),Allegra-D Dura-Vent Robitussin Nighttime Aller-Chlor Elestat eye drops Rondec Syrup Allerhist Emadine eye drops Ru-Tuss Allerest Extendryl Ryna-C AlleRx Fedahist Rynatan Antivert Fexofenadine Rynatuss Astelin Nasal Spray 4 Way Cold Scot-Tussin Astemizole Genahist Semprex, Semprex-D Astepro Nasal Spray Hycomine Sine-Off Atarax Hydramine Sinubid Atrohist Hydroxyzine Sinulin Axid Isochlor Sinutab Azatadine Kronafed Sominex Azelastine Livostin Sudafed Plus Benadryl (diphenhydramine) Lodrane, Lodrane D Sudal-12 Benylin Loratadine Tagamet Bepreve eye drops Maxichlor PSE DM Tanafed Brexin Maxiphen ADT Tavist-1 Bromfed Meclizine Tavist-D Brompheniramine Medi-flu Theraflu Flu, Cold & Cough Brovex Methscopolamine Theraflu Maximum Strength Calm-Aid Midol Thorazine Carboxinoxamine Mizolastine Trinalin Cerose DM Naldecon Triprolidine Cetirizine Naphcon-A eye drops Nighttime Flu, Cold & Cough Cheracol-Plus Nolahist Triaminic Nighttime Cheracol-Sinus Nolamine Triaminicin Chlo-Amine Norel DM, Norel SR, Norel LA Tussend Clarinex, Clarinex-D Novafed-A Tussionex Claritin, Claritin-D (loratadine) Novahistine DH liquid Tylenol PM Chlorafed Nytol Tylenol Allergy, Cold, Flu Chlorpromazine Nyquil Nighttime Cold Unisom Chlor-Trimeton Opcon-A eye drops VasoBid, VazoTan Chlorpheniramine Optimine Vicks 44 Cough, Cold, & Flu Codimal Optivar eye drops Vicks Nyquil Multi-Symptom Compazine Ornade Vistaril Compoz Orthoxicol Visine-A eye drops Comtrex Palgic Zaditor eye drops Contac/Ornade Pamprin Zantac Contac Severe Cold & Flu Pataday eye drops Zyrtec, Zyrtec-D Coricidin Patanase Nasal Spray Xyzal Cotab AX, Cotab Flu Patanol eye drops Zymine HC, Zymine-D CoTylenol Cold Formula PBZ Zymine liquid Cyproheptadine Pediox-S Dallergy Pepcid Deconamine SR Periactin Desloratadine Phenergan Dexbrompheniramine Phenindamine Diphedryl Phenyltoloxamine Diphen Polaramine Diphenhydramine Polyhistine-D .