What To Know

What To Know

When Visiting The Docs Allergy Center

Your First Visit

Stop allergy medications 7 days prior to your appointment as these medications can interfere with allergy skin testing results. Some medications can be stopped only 48 hours prior to your appointment. Below is a list of common allergy medications, and when their use must be stopped.

Step 1•

Discontinue longer acting antihistamines
7 Days Prior To Testing

  • Allegra (fexofenadine) products
  • Astelin / Astepro / Patanase nasal spray
  • Claratin / Clarinex (loratadine / desloratidine) products
  • Zytrec (cetirizine) products
  • Xyzal (levocetirizine)

​Discontinue short acting antihistamine containing drugs
48 Hours Prior To Testing

  • Azatadine (Optimine, Trinalin)
  • Brompheniramine (Bromfed, Bromphen, Cophene-B, Dallergy-JR, Dimetapp Allergy Liqui-Gels, Lordane products, Rondec, Ultrabrom products)
  • Chlorpheniramine (Aller-Chlor, Atrohist products, Chlor-Trimeton, Duravent DA, Extendryl, Kronofed, Nolamine, Omade Spansule, Pediacare Allergy Formular, Erspar-A.R., Sudafed Cold and Allergy, Sunutab Sinus Allergy, Teldrin, Tylenol Cold and Allergy Products)
  • Clemastine (Contact 12 Hour Allergy, Tavist products)
  • Cyproheptadine (Periactin)
  • Dexchlorpheniramine (Dexchlor, Polaramine)
  • Dimenhydrinate ( Calm X, Dinate, Dramamine, Dramanate, Hydrate, Triptone Caplets)
  • Diphenhydramine (AllerMax Caplets, Benadryl, Compoz, Diphen Cough, Diphenhist, Dormarex 2, Genahist, Hyrexin, Nervine Nightime Sleep-Aid, Nytol, Siladryl, Sleep-Eze D, Sominex, Twilite Caplets, Tylenol Cold and Allergy Products, Unisom SleepGels)
  • Doxylamine (Tylenol Flu Nighttime, Unisome Nighttime Sleep Aid)
  • Phenindamine (Nolahist, Nolamine, Poly-Histine products, Triaminic products)
  • Tripelenamine (PBZ, PBZ-SR, Pelamine)

​Discontinue acid reflux / stomach drugs (histamine Blockers)

  • Cimetidine (Tagamet)
  • Nizatidine (Axid)
  • Famotidine (Pepcid)
  • Ranitidine (Zantac)
  • Zegerid

Step 2 •

Bring a list of all medications that you take

Step 3 •

Bring copies of any recent laboratory tests that your doctor may have performed including:

  • Blood Counts (CBC)
  • Kidney Function (Creatinine)
  • Liver Function (AST /ALT/ Alk-Phos, Bilirubin)
  • Thyroid Testing