Allergy Clinical Services

Antihistamine Avoidance

To be held for 72 hours (three days), unless otherwise indicated, before new patient allergy appointments or skin-testing. All versions of these medications, e.g., ALLEGRA medication and ALLEGRA-D medication, CLARITIN medication and CLARITIN-D medication should be held.

  • ACTIFED
  • ALKA-SELTZER COLD
  • ALLEGRA
  • ASTELIN
  • ATARAX - hold five days
  • ATROHIST
  • BENADRYL
  • BROMFED
  • CEROSE DM
  • CHLORPHENIRAMINE
  • CHLOR-TRIMETON
  • CLARITIN - hold seven days
  • CODIMAL
  • COMTREX
  • CONTAC
  • CORICIDIN
  • D.A. II TABLETS
  • DIMETANE
  • DIMETAPP
  • DIPHENHIST
  • DIPHENHYDRAMINE
  • DRISTAN
  • DRIXORAL
  • DURADRYL
  • DURA-VENT/DA
  • EXTENDRYL
  • EFIDAC 24
  • FEDAHIST
  • HYDROXYZINE
  • HYCOMINE
  • KRONOFED
  • NALDECON
  • NOLAHIST
  • NOLAMINE
  • NOVAFED
  • NYQUIL
  • ORNADE
  • PEDIACARE COUGH AND COLD
  • PEPCID**
  • PERIACTIN
  • PHENERGAN
  • ROBITUSSIN NIGHT-TIME COLD
  • RONDEC
  • RYNA LIQUID
  • RYNATAN
  • RYNATUSS
  • SEMPREX
  • SINE-OFF
  • SINUTAB SINUS ALLERGY
  • SUDAFED COLD AND ALLERGY
  • SINULIN
  • TAGAMET**
  • TAVIST
  • TELDRIN
  • THERAFLU
  • TRIAMINIC
  • TRIAMINICIN
  • TRINALIN
  • TRIOTANN
  • TUSSEND
  • TUSSIONEX
  • TYLENOL ALLERGY, COLD, FLU or PM preparations
  • VICK 44 COUGH & COLD or FLU
  • VISTARIL
  • ZANTAC**
  • ZYRTEC

**Hold for 48 hours after discussing with ordering physician

Over-the-counter medication

Wording that indicates medicine may contain an antihistamine

  • Allergy
  • Cold
  • Flu

Prescription medication

There are many generics versions of the above medications. If your child was prescribed an oral medication for cough or allergies that is not listed above, check with your pharmacist.

Inhaled medications and nasal sprays except Astelin nasal spray do not contain antihistamines.

Reviewed by: Allergy Section
Date: May 2004

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