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. 2019 Apr;44(4):168–169.

Table 1.

Medications Prescribed With Directions of “Use as Directed”

Medication/Medication Class Name %
Prepackaged items with specific directions for use on the package (e.g., ZITHROMAX Z-PAK [azithromycin]) 75.6
Warfarin 58.4
Topical medications (standard quantities) 56.1
PredniSONE 55.5
As-needed emergency medications (e.g., EpiPen [EPINEPHrine], DIASTAT [diazePAM], nitroglycerin) 55.0
Contraceptives (oral) 54.7
One-time treatments (e.g., for lice or scabies) 54.7
Insulin 43.1
Migraine medications 39.9
Erectile dysfunction medications 33.7
Injectables to be administered at a clinic (e.g., MYOBLOC [rimabotulinumtoxinB], GARDASIL [human papillomavirus vaccine], ZOSTAVAX [zoster vaccine]) 26.4
Fertility injections 11.3
Hemophilia injections 2.8
Other medications 19.6