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Bouldermedicalcenter.com

Karen M. Andrews, M.D.
Boulder Medical Center, P.C.
2750 Broadway St.
Boulder, CO 80304
303-440-3083
**VERY IMPORTANT PLEASE READ**
MEDICATIONS TO STOP PRIOR TO ALLERGY
AS A GENERAL RULE ALL ORAL ALLERGY,
COLD AND SINUS MEDICATIONS NEED TO BE
STOPPED 5 DAYS PRIOR TO SKIN TESTING.
THIS INCLUDES OVER THE COUNTER MEDICATIONS
AND HERBAL SUPPLEMENTS

OTHER CLASSES OF MEDICATIONS THAT MAY INTERFERE WITH SKIN TESTING
INCLUDE:
 SLEEP MEDICATIONS (IE TYLENOL PM)
 TRICYCLIC ANTI DEPRESSANTS
 ANTI ANXIETY MEDICATIONS
 STOMACH ACID MEDICATIONS
 PREDNISONE (chronic use)
IT IS OKAY TO CONTINUE:
 ASTHMA INHALERS
 PSEUDOEPHEDRINE
 GUAIFENESIN
 DEXTROMETHORPHAN
 NASAL SPRAYS (EXCEPT ASTELIN)
 EYE DROPS UNLESS OTHERWISE INSTRUCTED
 ANTIBIOTICS
PLEASE SEE THE REVERSE SIDE OF THIS PAPER FOR A LIST OF SPECIFIC
MEDICATIONS.
IF YOU ARE ON AN ALLERGY MEDICATION AND DO NOT SEE IT ON THE LIST
PLEASE CALL OUR OFFICE TO BE SURE IT IS OKAY TO CONTINUE TAKING IT.
Karen M. Andrews, M.D.
Boulder Medical Center, P.C.
2750 Broadway St.
Boulder, CO 80304
303-440-3083
The following is a list of medications that needs to be stopped before skin testing in order to obtain
accurate results. We understand that some of these may be difficult to stop. If you have concerns
about stopping any of the following medications please discuss this with your physician’s office and
let us know.
Medications to Stop 7-14 days prior to Testing
Amitryptyline (Elavil)
Nortiptyline (Pamelor, Aventyl)
Clomipramine (Anafranil)
Protriptyline (Vivactil)
Doxepin (Sinequnan)
Maprotiline (Ludiomil)
Imipramine (Tofranil)
Mirtazapine (Remeron)
Trimipramine (Surmontil)
Trazadone (Desyrel)
Amoxapine (Asendin)
Nefazadone (Serzone)
Desipramine (Nupramin)
Astelin (Azelastin)

*Please consult with your physician before stopping any of these medications if you take them on a
regular basis.
Medications to stop 5-7 days prior to Testing
Claritin (Loratidine)
Allegra (Fexofenadine)
Clarinex (Desloratidine)
Periactin (Cyproheptadine)
Medications to Stop 3-4 days prior to Testing
Actifed, Dimetapp (Brompheniramine)
Tavist, Antihist (Clemastine)
Atarax, Vistaril (Hydroxyzine)
Zyrtec (Cetirazine)
Benadryl (Diphenhydramine)
Compazine (Prochlorperazine
Chlortrimetron (Chlorpheniramine)
Xyzal (Levocetirazine)
Dexchlorpheniamine (Polaramine)
Tylenol PM
Phenergan (Promenthazine)
Medications to Stop the day before Testing
Singulair (Montelukast)
Zyflo (Zileuton)
Accolate (Zafirleukast)
Reglan (Metoclopramide)
Prevacid, Protonix, Prilosec, Nexium
Ranitidine (Zantac)

Source: http://www.bouldermedicalcenter.com/depts/documents/MedicationstoAvoidPriortoAllergyTesting.pdf