Typical Antihistamine Medicines:
Please hold these 5 Days Before New Patient Visit
(to allow skin testing).
You do not need to hold any asthma medicines.
You also can continue nasal sprays (Flonase or others)
List of medications that should be withheld for 5 full days prior to skin testing:
1. Daytime antihistamines (some typical names are below):
● Loratadine (Claritin, Alavert, Allerclear) ● Desloratadine (Clarinex)
● Fexofenadine (Allegra) ● Cetirizine (Zyrtec, Allertec) ● Levocetirizine (Xyzal)
2. Sleep Time antihistamines and tricyclic antidepressants ( hold for 5 nights):
● Hydroxyzine (Atarax, Vistaril) ● Doxepin (Sinequan)
● Cyproheptadine (Periactin) ● Amitriptyline (Elavil)
● Diphenhydramine (Benadryl) ● Notriptyline (Pamelor, Aventyl)
● Chlorpheniramine (Chlor-Trimeton)
3. Nighttime cold medicines (hold for 5 nights):
Many OTC cough and cold syrups and pills usually contain an antihistamine, chlorpheniramine, or diphenhydramaine. Withold these, especially if they say “nighttime” or “PM” or “may cause drowsiness”. ● Actifed ● Dimetapp
● Drixoral ● Triaminic ● Tylenol PM ● Nyquil ● Sominex ● Advil Cold & Sinus
4. Anti-nausea medicines (these include antihistamines) (hold for 5 days):
● Prochlorperazine (Compazine) ● Promethazine (Phenergan)
● Dimenhydrinate (Dramamine) ● Scopolamine transdermal patches
● Meclizine (Antivert)
5. Eye drop or topical antihistamines. If possible, also hold for 5 days before visit eye drops and nose sprays below:
● Eye drops: Patanol, Pataday, Elestat, Optivar, Zaditor and Livostin
Please call if you have questions. Thanks for your attention to these brief washouts.