Nasojejunal NJ tube (3013)

Key points below

What is a NJ tube?

An NJ tube is a feeding tube. It is put in the nose and goes down the food tube (esophagus), past the stomach. It ends in a part of the small intestine called the jejunum. The tube is used to give feedings, liquids and medicine to your child. Feedings go right into the intestines instead of the stomach.

Why does my child have a NJ tube?nj tube

Your child has had a hard time getting feedings into the stomach. It may be from:

What supplies do I need?

For site care:

For feeding and medicine:

How do I care for a NJ Tube?


Flush daily to prevent blocking:

How do I feed my child?

How do I vent or drain the stomach?

NJ tubes cannot vent or drain the stomach. If you need to vent or drain your child’s stomach, talk to your child’s provider. 

How long will my child have a NJ tube? 

An NJ tube is short-term. Most children need the tube for short periods of time. 

Troubleshooting problems

If the NJ tube is blocked:

If the NJ tube is out of place or cannot be flushed
All NJ tubes are replaced in the Imaging Department using a special x-ray called fluoroscopy. If your child’s NJ tube is out of place or gets clogged, call to make an appointment to have the tube replaced:
Monday-Friday (7:30 AM-5:00 PM):  414-266-3152 or 414-266-3648
After hours, call 414-266-3116 and ask to speak with the Interventional radiology nurse on call.
If your child’s NJ tube is completely out, please call the Imaging Department during the above listed hours.
Routine NJ tube changes
NJ tubes need to be replaced. This is generally done every 3 months. Your child’s doctor can help decide when this should be done. The replacement will be scheduled Monday – Friday between 7:30 AM -4:30 PM. Please call (414) 266-3152 to schedule. 


Call your child’s doctor, nurse, or clinic if you have any questions or concerns or if:

  • Your child is vomiting or gagging with feedings.
  • Your child has diarrhea (loose, watery stool).
  • You are worried that the NJ tube is not in the right location.
  • You are unable to use the tube or it came out.
  • Your child has special health care needs that were not covered by this information.