Medications to Stop Before Your Test

Carefully review the medication list below and follow the instructions on when to stop the medications that interfere with allergy testing.  If the medication that needs to be stopped was not prescribed by your Texas Ear, Nose & Throat Specialist doctor, contact the prescribing doctor to confirm that you may safely stop taking the medication for the duration required prior to testing.

Medications to Stop Before Your Test:


Three weeks (21 days) prior to testing stop taking:

  • Steroid Cream/Ointment-on test sites (arms/legs)

Two weeks (14 days) prior to testing stop taking:

  • Allergy shots
  • Tricyclic Antidepressants (stop 7-14 days prior)
    *Some antidepressants/anxiety medicines can affect allergy testing results. NEVER stop this type of medication without asking the doctor who prescribed it if you can do so safely. If you are taking an antidepressant, please notify the Allergy Testing Nurse during the allergy test instructions phone call.
  • Amitriptyline
  • Amoxapine
  • Anafranil
  • Clomipramine
  • Desipramine
  • Dexepin
  • Elavil
  • Imipramine (10+)
  • Limbitrol
  • Norpramin
  • Nortriptyline
  • Pamelor
  • Protriptyline
  • Surmontil
  • Tofranil (10+)
  • Vivactil

One week (7 days) prior to testing stop taking:

  • Sublingual Allergy drops
  • Beta Blockers- click for information
  • Alavert
  • Allegra (5-7)
  • Atarax (7-8)
  • Cetirizine (5-7)
  • Clarinex
  • Claritin
  • Clemastine (5-10)
  • Cyproheptadine (7-11)
  • Desloratadine

  • Fexofenadine (5-7)
  • Hydroxyzine (7-8)
  • Levocetirizine
  • Loratadine
  • Periactin (7-11)
  • Tacrolimus (topical)
  • Tavist (5-10)
  • Vistaril (7-8)
  • Xyzal
  • Zyrtec (5-7)

  • Benzodiazepines (stop 7 days prior):
    *Some antidepressants/anxiety medicines can affect allergy testing results. NEVER stop this type of medication without asking the doctor who prescribed it if you can do so safely. If you are taking an antidepressant, please notify the Allergy Testing Nurse during the allergy test instructions phone call.
  • Alprazolam
  • Ativan
  • Clonazepam
  • Clorazepate
  • Chlordiazepoxide
  • Dalmane
  • Diazepam
  • Estazolam
  • Flurazepam
  • Halcion
  • Klonopin
  • Librium
  • Limbitrol
  • Lorazepam
  • Midazolam
  • Niravam
  • Oxazepam
  • Restoril
  • Serax
  • Temazepam
  • Tranxene
  • Triazolam
  • Valium
  • Versed
  • Xanax

Three (3) days prior to testing stop taking:
*Most allergy medications, cold remedies, cough syrups, anti-itching and sleep aides...*

  • Acrivastine
  • Aller-chlor (3-6)
  • Antivert
  • Arbinoxa
  • Astemizole
  • Atrohist
  • Azatadine
  • Benadryl (3-5)
  • Bonine
  • Bromfed
  • Brompheniramine
  • Carbinoxamine
  • Chlorpheniramine (3-6)
  • Chlor-Trimeton (3-6)
  • Cyclivert
  • Codimal DH Syrup
  • Dexchlorpheniramine
  • Dimenhydrinate
  • Dimetane Cough Syrup
  • Diphenhydramine (3-5)
  • Doxylamine
  • Dramamine

  • Dura-vent
  • Extendryl
  • Hycomine Compound
  • Karbinal ER
  • Kronofed
  • Methscopolamine
  • Meclizine
  • Nolamine
  • Nolahist
  • Palgic
  • Phenergan (3-5)
  • Promethazine (3-5)
  • Pyrilamine
  • Rynatan
  • Rynatuss
  • Semprex
  • Sinulin
  • Tiprolidine
  • Trinalin
  • Tussionex
  • Zentrip


Forty eight (48) hours prior to testing stop taking:

  • Aleve
  • Astelin (nose spray)
  • Astepro (nose spray)
  • Axid
  • Azelastine (eye drops)
  • Azelastine (nose spray)
  • Bepreve (eye drops)
  • Bepotastine (eye drops)
  • Elestat (eye drops)
  • Epinastine (eye drops)
  • Emadine (eye drops)
  • Emedastine (eye drops)
  • Lastacaft (eye drops)
  • Alcaftadine (eye drops)
  • Celebrex
  • Celecoxib
  • Cimetadine
  • Duexis
  • Dymista (nose spray)
  • Famotidine
  • Ketotifen (eye drops)

  • Meloxicam
  • Mobic
  • Naphcon-A (eye drops)
  • Naprosyn
  • Naproxen
  • Nizatadine
  • Pepcid
  • Olopatadine (eye drops)
  • Olopatadine (nose spray)
  • Opcon-A (eye drops)
  • Optivar (eye drops)
  • Pataday (eye drops)
  • Patanase (nose spray)
  • Patanol (eye drops)
  • Pazeo (eye drops)
  • Ranitidine
  • Tagamet
  • Visine-A (eye drops)
  • Zaditor (eye drops)
  • Zantac


Twenty Four (24) hours prior to testing stop taking:

  • Advil
  • Aspirin
  • Excedrin
  • Ibuprofen
  • Motrin
  • Zyflo

*Please notify the Allergy Testing Nurse if you take any immunosuppressants or any of the drugs listed below:

  • Arava (Leflunomide)
  • Azulfidine (Sulfasalazine)
  • Cyclophosphamide
  • Cyclosporine
  • Enbrel (Etanercept)
  • Humira (Adalimumab)
  • Imuran (Azathioprine)
  • Kineret (Anakinra)
  • Methotrexate
  • Orencia (Abatacept)
  • Plaquenil (Hydroxychloroquine)
  • Remicade (Infliximab)
  • Rituxan (Rituximab)
  • Xolair (Omalizumab)