This document provides guidance on safely adding medications to intravenous lines and containers. It discusses assessing the intravenous site for complications before adding medications. Some key points covered include checking for drug compatibilities, using secondary bags or volume control sets to add compatible medications, flushing lines before and after to prevent incompatibilities, and administering intermittent or push injections through saline locks or into continuous lines while monitoring for reactions. The document emphasizes implementing the rights of medication administration and checking guidelines for each specific drug.