Medication List

Know Your Medications and Check with Your Provider

Some medications can interfere with the results of your skin testing and must be stopped days before your appointment testing can be effectively performed. Please read below the list of medications to stop before your appointment. Also, please check with your doctor, or with one of our clinic staff members, if you have concerns about stopping your medications for the desired period of time. If you find your symptoms make it very difficult to discontinue your antihistamine medications, please keep your appointment, but notify our staff that you are currently taking an antihistamine.


Stop these medications 5 days before your appointment:

  • Allegra (fexofenadine)
  • Zyrtec (cetirizine)
  • Atarax, Vistaril (hydroxyzine)
  • Xyzal (levocetirizine)

Stop these for 3 days before your appointment:

  • Actifed, Dimetapp (brompheniramine)
  • Clarinex (desloratadine)
  • Astelin (azelastine)
  • Periactin (cyproheptadine HC)
  • Benadryl (diphenhydramine)
  • Phenergan (promethazine)
  • Chlortrimetron (chlorpheniramine)
  • Tavist, Antihist (clemastine)
  • Claritin (loratadine)
  • Triaminic (chlorpheniramine)

Combination of cough and cold medications

Stop these for 3 days before your appointment:

  • Contac
  • Sine-Aid
  • Dimetane
  • Sinutab
  • Dimetapp
  • Sinutin
  • Dristan
  • Tanafed DMX
  • Drixoral
  • Vicks Children's Nyquil
  • NyQuil
  • Vicks Multi-Symptom/Pediatric Cold & Cough
  • Robitussin Pediatric Night Relief

Anti-nausea and Anti-vertigo medications

Stop 3 days before your appointment:

  • Antivert, Bonine, DizmissR (medclizine)
  • Bucdin-5 (bucitizine)
  • Compazine (prochlorperazine)
  • Dymenate
  • Emete-Con (benzquinamide)
  • Marezine (cyclizine)
  • Marmine, Dramamine (dimenhydrinate)
  • Tigan (trimethobenzamide)

Over the counter sleep aids

Stop these 3 days before your appointment:

  • Nytol
  • Tylenol PM
  • Quita
  • Twilite
  • Sominex
  • Unisom

Tricyclic or Tetracyclic antidepressants

Stop these 2 weeks before your appointment, but only after notifying your prescribing physician

  • Adepin (doxepin)
  • Anafranil (chominpramine)
  • Asendin (amoxapine)
  • Aventyl (nortriptyline)
  • Desyrel (trazodone)
  • Endep (amitriptyline)
  • Elavil (amitriptyline)
  • Ludiomil (maprodine)
  • Norpramin (desipramine)
  • Pemlor
  • Remeron (mirtazapine)
  • Sinequan (doxepin)
  • Surmontil (trimipramine)
  • Tofranil (imipramine)
  • Trabcioak (chlormezanone)
  • Vivactil (protriptyline)

Allergy/Asthma medications

Stop these the night before your appointment:

  • Singulair (montelukast)
  • Zyflo (zileuton)

Antacid medications

Do not take these the morning of your appointment:

  • Axid (nizatidine)
  • Zantac (ranitidine)
  • Pepcid (famotidine)
  • Tagamet (cimetidine)