20 ILCS 1705/5.1
The Department shall develop, by rule, the procedures and standards by which it shall approve medications for clinical use in its facilities. A list of those drugs approved pursuant to these procedures shall be distributed to all Department facilities.
Drugs not listed by the Department may not be administered in facilities under the jurisdiction of the Department, provided that an unlisted drug may be administered as part of research with the prior written consent of the Secretary specifying the nature of the permitted use and the physicians authorized to prescribe the drug. Drugs, as used in this Section, mean psychotropic and narcotic drugs.
No physician, advanced practice registered nurse, or physician assistant in the Department shall sign a prescription in blank, nor permit blank prescription forms to circulate out of his possession or control.
20 ILCS 1705/5.1