Pharmacy Policies and Procedures Manual

Pharmacists may interchange between second generation antihistamines within the same dose range based on product availability. Cetirizine (Zyrtec), Loratadine (Claritin), Fexofenadine (Allegra), and Levocetirizine (Xyzal) Standard Dosing Conversions (see Appendix 5.3.1.2) ................
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