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If you can’t eat or swallow, you may need to have a nasogastric tube inserted. This process is known as nasogastric (NG) intubation. During NG intubation, your doctor or nurse will insert a thin plastic tube through your nostril, down your esophagus, and into your stomach. Once this tube is in place, they can use it to give you food and medicine. They can also use it to remove things from your stomach, such as toxic substances or a sample of your stomach contents.
NG intubation is most commonly used for patients who:
It’s also used to help treat some premature infants.
Your doctor or nurse can give you food and medicine through an NG tube. They can also apply suction to it, allowing them to remove contents from your stomach. For example, your doctor may use NG intubation to help treat accidental poisoning or drug overdose. If you’ve swallowed something harmful, they can use an NG tube to try to remove it from your stomach or deliver treatments. For instance, they may administer activated charcoal through your NG tube to help absorb the harmful substance. This can help lower your chances of a severe reaction.
Your doctor or nurse can also use an NG tube to:
If you need to have an NG tube inserted, it will probably happen in a hospital. In some cases, you may get the tube inserted at home. In most cases, you won’t need to take any special steps to prepare. Right before it’s inserted, you may need to blow your nose and take a few sips of water.
Your doctor, nurse, or other care provider will insert your NG tube while you’re lying down in a bed with the head elevated or sitting in a chair. They will likely ask you to bend your head, neck, and body at various angles as they thread the tube through your nostril, down your esophagus, and into your stomach. These movements can help ease the tube into position, without causing you too much pain or discomfort. They may also ask you to swallow or take small sips of water when the tube reaches your esophagus to help it slide into your stomach.
Once your NG tube is in place, your care provider should take steps to check its placement. For example, they might try to draw fluid out of your stomach. Or they might insert air through the tube, while listening to your stomach with a stethoscope.
To keep your NG tube in place, your care provider will likely secure it to your face with a piece of tape. They can reposition it if it feels uncomfortable.
If you can’t eat or drink, NG intubation and feeding can help you get the nutrition and medications you need. NG intubation can also help your doctor treat an intestinal obstruction in ways that are less invasive than intestinal surgery. They can also use it to collect a sample of your stomach contents for analysis, which can help them diagnose certain conditions.
If you’re conscious when your NG tube is inserted, you may feel some discomfort as the tube passes through your nostril into your stomach. If your NG tube isn’t inserted properly, it can potentially injure the tissue inside your nose, sinuses, throat, esophagus, or stomach. Your care provider may also mistakenly thread it through your windpipe into your lungs. If this happens, they may accidentally pass food or medicine into your lungs. This is known as aspiration. It can lead to pneumonia or other infections.
NG tube feeding can also potentially cause:
Your NG tube can potentially become blocked, torn, or dislodged. This can lead to additional complications. Using an NG tube for too long can also cause ulcers or infections to develop on the tissue of your sinuses, throat, esophagus, or stomach. If you need long-term tube feedings, your doctor will likely recommend a gastrostomy tube. They can surgically implant a gastrostomy tube in your abdomen to allow your care providers to introduce food directly into your stomach.
To lower your risk of complications from NG intubation and feeding, you or your healthcare provider can:
Ask your doctor for more information about your specific treatment plan and outlook.
Written by: Kimberly Holland
Medically reviewed on: Aug 29, 2016: Deborah Weatherspoon, PhD, RN, CRNA, COI
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