“Level II defines more complex procedures in which perioperative medication and sedation are used intravenously, intramuscularly, or rectally.”

“Chemotherapy agents often take hours to administer intravenously, and patients have to be watched closely for side effects.”

“Approved for oral and intramuscular use, it also is used rectally, intravenously, subcutaneously, epidurally, and intrathecally.”