MEDICATIONS THAT INTERFERE WITH ALLERGY TESTING
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BRAND NAME GENERIC NAME TYPE OF MEDICATION
 
Anti-H1 histamines
  Mizolastine 99***  
Phenegran Promethazine 89 Anti-H1 histamine
Promentazine Promethazine 89 Anti-H1 histamine
Prorex 25 & 50 Promethazine 89 Anti-H1 histamine
Seldane** Terfenadine 93 Anti-H1 histamine
PBZ & PBZ-SR Tripelennamine 89 Anti-H1 histamine
     
Anti-H2 histamines
Tagamet Cimetidine101 Reduces Stomach Acid
Zantac Ranitidine 102 Reduces Stomach Acid
  Ketotifen 90, 104 Oral
Tofranil Imipramines 105 Bed Wetting
Chlorpromazine Phenothiazines 106 Psychotic Disorders
Thorazine Phenothiazines 106 Psychotic Disorders
     
*Corticosteroids do not effect testing.
     
*B2-Agonists do not interfere with testing.
BRAND NAME GENERIC NAME TYPE OF MEDICATION
 
Anti-H1 histamines
Hismanal** Astemizole 93,95 Anti-H1 histamine
Astelin Azelastine 93 Anti-H1 histamine
Optivar Azelastine 93 Anti-H1 histamine
Zyrtec Cetirizine 93,98 Anti-H1 histamine
Aller-Chlor Chlorpheniramine 89,90 Anti-H1 histamine
C.P.M. Chlorpheniramine 89,90 Anti-H1 histamine
Chlo-Amine Chlorpheniramine 89,90 Anti-H1 histamine
Chlor-Mal Chlorpheniramine 89,90 Anti-H1 histamine
Chlor-Phenit Chlorpheniramine 89,90 Anti-H1 histamine
Chlor-Trimeton Chlorpheniramine 89,90 Anti-H1 histamine
Chlorphen Chlorpheniramine 89,90 Anti-H1 histamine
Effidac-24 Chlorpheniramine 89,90 Anti-H1 histamine
Ridraman Chlorpheniramine 89,90 Anti-H1 histamine
Allerhist-1 Clemastine 90 Anti-H1 histamine
Contac 12 Hour All. Clemastine 90 Anti-H1 histamine
Tavist-1 Clemastine 90 Anti-H1 histamine
Periactin Cyproheptadine 89,93 Anti-H1 histamine
Actifed Sinus Day Diphenhydramine 89 Anti-H1 histamine
Aler-Dryl Diphenhydramine 89 Anti-itch cream
Banophren Diphenhydramine 89 Anti-H1 histamine
Benadryl Diphenhydramine 89 Anti-H1 histamine
Calm-Aid Diphenhydramine 89 Motion sickness
Compoz Nighttime
Sleep Aid
Diphenhydramine 89 Induce Sleep
Diphedryl Diphenhydramine 89 Anti-H1 histamine
Diphen Diphenhydramine 89 Anti-H1 histamine
Genahist Diphenhydramine 89 Anti-H1 histamine
Hydramine Diphenhydramine 89 Anti-H1 histamine
Nu-Med Diphenhydramine 89 Anti-H1 histamine
Nytol Caplet Diphenhydramine 89 Induce Sleep

Scot-Tussin Allergy
Relief Formula

Diphenhydramine 89 Anti-H1 histamine
Sominex Diphenhydramine 89 Induce Sleep
Twilite Diphenhydramine 89 Induce Sleep
Tylenol PM Diphenhydramine 89 Anti-H1 histamine
Unisom Sleepgels
Maximum Strength
Diphenhydramine 89 Induce Sleep
Adapin Doxepin 107 Tricyclic Antidepressant
Sinequan Doxepin 107 Tricyclic Antidepressant
Zonalon Doxepin 107 Tricyclic Antidepressant
  Ebastine 94  
Allegra 1 Fexofenadine (60mg) Anti-H1 histamine
Atarax Hydroxyzine 89 Relax/Anxiety Relief
Rezine Hydroxyzine 89 Relax/Anxiety Relief
Vistanil Hydroxyzine 89 Relax/Anxiety Relief
Claritin Loratadine 93 Anti-H1 histamine
Quintadrill Mequitazine *** Anti-H1 histamine

TRICYCLIC ANTIDEPRESSANTS
Suppress Skin Whealing Responses - Brand (Generic Name)
Adapin (Doexpin)
Anaframil (Clomipramine)
Asendin (Amoxampine)
Aventyl Hydrochloride (Nortriptyline)
Norpramin (Desipramine)
Pamelor (Nortripline)
Sinequan (Doxepin)
Surmontil (Trimipramine)
BETA  ADRENERGIC  BLOCKING  AGENTS
DO NOT TEST PATIENTS WHO ARE TAKING BETA ADRENERGIC BLOCKING AGENTS
(AND WITH DIURETICS)Exacerbate Allergic Reactions – BRAND (Generic Name)
AK-Beta (Levobunolol)
Betagan (Levobunolol)
Betapace Tablets (Sotalol)
Betimol (Timolol)
Betoptic (Betaxolol)
Blocarden (Timolol maleate)
Brevibloc Injection (Esmolol)
Cartol Filmtab Tablets (Carteolol)
Coreg (Carvedilol)
Corgard (Nadolol)
Inderal Injectable & LA (Propranolol)
Inderide LA (Propranolol)
Kerlone (Betaxolol)
Lopressor HCT (Metoprolol)
Nadolol Tablets (Nadolol)

Adalat & CC (Nifedpine)
Calan & SR (Verapamil)
Cardene & SR (Nicardipine)
Cardizem-CD, SR, XT, XR, XT (Diltiazem)
Corvera-HS (Verapamil)
Diliacor (Diltiazem)
Isoptin SR (Verapamil)
Lotrel (Amlodipine)


Elavil (Amitriptyline)
Endep (Amitriptyline)
Etrafon (Amitriptyline)
Limbitrol (Amitriptyline)
Tofranil (Imipramine)
Vanatrip (Amitriptyline)
Vivactil (Protriptyline)
Zonalon (Doxepin)
Normodyne (Labetalol)
Ocumeter (Timolol)
Ocupress (Carteolol)
Sectral Capsules (Acebutolol)
Sorine (Sotalol)
Tenoretic 50 & 100 (Atenolol)
Tenormin I.V. Inj. & Tabs. (Atenolol)
Timolide Tablets (Timolol maleate)
Timoptic (Timolol maleate)
Toprol-XL (Metoprolol)
Trandate (Labetalol)
Visken (Pindolol)

Zebeta Tablets (Bisoprolol)
Ziac (Bisoprolol)
Nifedical XL (Nifedpine)
Nimotop (Nimodipine)
Norvasc (Amlodipine)
Plendil (Felodipine)
Procardia & XL (Nifedpine)
Sular Tablets (Nisoldipine)
Tiazac Capsules (Diltiazem)
Vascor Tablets (Bepridil)
Verelan & PM (Verapamil)
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