It is important to check which medications should be given through the G-port and/or the J-port. Some medications can only be absorbed in the stomach, therefore, they must be given through the G-port. Others can be given safely through either port.[1]

References:

Feeding Tube Awareness Foundation. Gastro-Jejunal (GJ) Tubes, 3 Mar. 2020, www.feedingtubeawareness.org/gj-tubes/.

Checking medications for G or J port-Tuesday Tube Facts