Allergy Associates of La Crosse / What to Expect / Medication Restrictions for Skin Testing

Medication Restrictions for Skin Testing

Please review the list of medications below that we request you stop taking for a certain time period before your appointment. These medications can affect your skin testing results. If you continue your medications, please let your physician know at your appointment. If you are taking daily oral steroids, please check with us to see if any modifications are needed.

Stop taking 1 week before your appointment:

  • Axid (Nizatidine)
  • Elavil/Vanatrip (Amitriptyline)**
  • Pepcid (Famotidine)
  • Tagamet (Cimetidine)
  • Zantac (Ranitidine)

If it is not possible to stop these medications before your visit, please contact our office so that we may substitute another medication before your scheduled appointment.


Stop taking 3 days before your appointment:

  • Allegra (Fexofenadine)
  • AlleRx
  • Antivert/Bonine (Meclizine)
  • Astelin/Astepro (Azelastine)
  • Atarax/Vistaril (Hydroxyzine)
  • Benadryl (Diphenhydramine)
  • Bromfed/Dimetapp Allergy (Brompheniramine)
  • Chlorpheniramine
    • Cardec (DM)
    • Chlor-Trimeton
    • Deconamine
    • Extendryl
    • Nasohist B
    • Rhinosyn
    • Sudafed Plus
    • Triaminic
  • Clarinex (Desloratadine)
  • Claritin/Alavert (Loratadine)
  • Dexchlor ER (Dexchlorpheniramine)
  • Dramamine (Dimenhydrinate)
  • Dymista (Azelastine and Fluticasone)
  • Optimine (Azatadine)
  • Pelamine
  • Periactin (Cyproheptadine)
  • Phenergan (Promethazine)
  • Polaramine (Dexchlorpheniramine)
  • Rynatan
  • Tavist-D (Clemastine)
  • Triplen (Tripelennamine)
  • Xyzal (Levocetirizine)
  • Zyrtec (Cetirizine)

Combination Medications*:

  • Tylenol Cold & Sinus
  • Tylenol PM
  • Vicks Formula 44 (Doxylamine)
  • Vicks Multi-Symptom Nyquil

* Cold & sleep aid medications
may contain antihistamines.

Sleep Aids & Antidepressants**:

  • Anafranil
  • Desipiramine
  • Desyrel
  • Doxepin
  • Effexor
  • Elavil
  • Nortriptyline
  • Sinequan

** These medications should not be modified without talking to your prescribing physician. Please notify the clinic in advance if you are taking any of these medications.


The following medications are okay to continue taking:

  • Aciphex (Rabeprazole)
  • All asthma inhalers
  • Most non-drowsy medications
  • Mucinex (Guaifenesin)
  • Nasal sprays (except Astelin and Dymista)
  • Nexium (Esomeprazole)
  • Prevacid (Lansoprazole)
  • Prilosec (Omeprazole)
  • Singulair (Montelukast)
  • Sudafed (Pseudoephadrine)
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