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What Is a Nasogastric Tube?

A nasogastric tube, or NG tube, is a flexible tube passed through the nose, down the throat, and into the stomach. It can be used to put substances into the stomach or remove substances from it. NG tubes are commonly used for short-term feeding, medication delivery, stomach decompression, or suctioning. Correct placement must be confirmed before the tube is used.

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What Is a Nasogastric Tube?

A nasogastric tube, or NG tube, is a flexible tube passed through the nose, down the throat, and into the stomach. It can be used to put substances into the stomach or remove substances from it. NG tubes are commonly used for short-term feeding, medication delivery, stomach decompression, or suctioning. Correct placement must be confirmed before the tube is used.

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What Is a Nasogastric Tube Used For?

A nasogastric tube is used when the stomach needs temporary access. It can deliver liquid nutrition, fluids, or medications when a person cannot safely eat enough by mouth. It can also remove stomach contents, gas, blood, or swallowed substances in selected situations. The reason for placement determines whether the tube is connected to feeding equipment, drainage, or suction.

How a Nasogastric Tube Works

The tube creates a pathway between the outside of the body and the stomach. For feeding, liquid formula or medication flows through the tube into the stomach. For decompression or suction, stomach contents flow out through the tube into a collection container or suction system. The tube is secured to the nose or face to reduce movement and accidental removal.

How Is a Nasogastric Tube Placed?

A trained clinician measures the tube, lubricates it, and passes it through one nostril toward the stomach. The patient may be asked to swallow or sip water if it is safe to do so. Placement is checked using facility-approved methods before feeding or medication begins. The tube position, skin condition, drainage, and patient comfort are monitored while it stays in place.

Risks and Care

NG tubes can cause nasal irritation, sore throat, gagging, nausea, sinus irritation, tube blockage, aspiration, or incorrect placement. The tube should not be forced if resistance or severe pain occurs. Patients and caregivers should follow instructions for flushing, feeding, head positioning, and securing the tube. Trouble breathing, choking, vomiting, severe pain, fever, or a tube that moves out of place should be reported promptly.

FAQs About Nasogastric Tubes

Is a nasogastric tube permanent?

No. An NG tube is usually used for short-term stomach access. Longer-term feeding may require a different type of feeding tube.

Does nasogastric tube placement hurt?

It can be uncomfortable and may cause gagging, pressure, or watery eyes. Severe pain or trouble breathing should be reported immediately.

Can you eat with a nasogastric tube?

Some patients can eat or drink with an NG tube, while others cannot do so safely. The care team decides based on swallowing safety and treatment goals.

How is NG tube placement confirmed?

Placement is confirmed using approved clinical methods, which may include pH testing, imaging, or other facility protocols. It should be confirmed before use.

References

Nasogastric Tube: What It Is, Uses, Types. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/24313-nasogastric-tube. Date Accessed June 18, 2026.

Nasogastric Tube Insertion. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK556063/. Date Accessed June 18, 2026.

Nasogastric feeding tube. MedlinePlus Medical Encyclopedia. https://medlineplus.gov/ency/patientinstructions/000182.htm. Date Accessed June 18, 2026.

Tube Feeding (Enteral Nutrition). Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/21098-tube-feeding--enteral-nutrition. Date Accessed June 18, 2026.

How To Insert a Nasogastric Tube. MSD Manual Professional Edition. https://www.msdmanuals.com/professional/gastrointestinal-disorders/how-to-do-gastrointestinal-procedures/how-to-insert-a-nasogastric-tube. Date Accessed June 18, 2026.