Lehigh Valley Veterinary Dermatology

4580 Crackersport Rd
Allentown, PA 18104



Recommended Drug Withdrawal Times Prior to Intradermal Allergy Testing

60 Days

Long-acting steroid (cortisone) injections, including Depo-Medrol (methylprednisolone), Vetalog (triamcinolone)

30 Days

Oral steroids including prednisone/prednisolone, Temaril-P, Medrol, dexamethasone

14 Days

Topical steroids including ear medications with steroids (Otomax, Mometamax, Tresaderm, Synotic, Panalog); other topical steroids including hydrocortisone (such as ResiCORT), Genesis spray (triamcinolone), Gentocin spray and others; eye medications containing steroids

14 Days

Antihistamines:  Benadryl (diphenhydramine), Chlortrimeton (chlorpheniramine), Atarax (hydroxyzine), Zyrtec, Claritin, Tavist (clemastine).  Elavil (amitriptyline) and Clomicalm (clomipramine) are antihistamines but should not be suddenly discontinued without discussing with your veterinarian. 

7 Days


0 Days

Currently, no withdrawal time is required for Atopica (cyclosporine), Cytopoint, antibiotics, antifungals or shampoos