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. 2009 Oct;34(10):550–553.

Table 1.

Trends in Levalbuterol (Xopenex) and Albuterol Usage

Medication Every 4 Hours Every 6 Hours q.i.d. Every 8 Hours t.i.d. Other Prescription Includes a p.r.n. Order Average No. of Treatments Given per Day
Levalbuterol (n = 29)* 12 14 3 0 14 4.1
Albuterol (n = 35)* 26 6 1 2 18 4.5

p.r.n. = as needed; q.i.d. = four times daily; t.i.d. = three times daily.

*

Based on the total number of written orders.