Final answer:
The exit site of a tunneled catheter usually takes around 7 to 14 days to heal. It is important to keep the site clean and dry, and seek medical attention if there are signs of infection.
Step-by-step explanation:
The exit site of a tunneled catheter usually takes around 7 to 14 days to heal.
During this time, it is important to keep the exit site clean and dry to prevent infection. It is also recommended to avoid activities that may put strain on the exit site or cause friction, such as heavy lifting or wearing tight clothing.
If there are any signs of infection, such as redness, warmth, swelling, or pus around the exit site, it is important to seek medical attention as soon as possible.