Common IV to PO Drug Conversions

1) Metoprolol 1:2.5

2) Diltiazem Oral Dose(mg/day) = [ rate (mg/hr) x 3 + 3 ] x 10 

3) Digoxin 0.75:1

4) Levothyroxine 0.75:1

5) Aminophylline to Theophylline 1:0.8

6) Ciprofloxacin 1:1.25



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