If you have any injury with open skin, you need to take care of it to avoid infection. Keeping a wound clean, washing your hands before touching it, and following any instructions from your doctor ...

You have had a drain placed in an abscess, which you will need to care for until it is removed. This will include flushing the tube daily as well as cleaning the tube site and changing the dressing.

You have had a drain placed in your liver, which you will need to care for until it is removed. This will include daily flushing the tube as well as cleaning the tube site and changing the dressing.