NG Tube or PEG Tube at Home in Singapore: How Families Choose and What Each Needs

What is the difference between an NG tube and a PEG tube?

Both deliver liquid feed straight into the stomach, bypassing chewing and swallowing. The difference is the route and how long it is meant to stay.

A nasogastric tube is a fine-bore tube passed through a nostril, down the oesophagus and into the stomach. It can be placed at the bedside by a trained nurse, needs no anaesthetic, and leaves nothing permanent behind. It is visible on the face, it can be pulled out by a confused or agitated patient, and it needs its position re-confirmed regularly.

A percutaneous endoscopic gastrostomy (PEG) tube is placed during an endoscopy, passing through the skin of the abdomen directly into the stomach. It requires a procedure with sedation and carries the risks any procedure carries, but once healed it sits under clothing, is harder to dislodge, and does not irritate the nose and throat.

Internationally, the rough dividing line is time. If feeding is expected to be needed for more than four to six weeks, a gastrostomy is usually considered. Below that, an NG tube is the normal choice.

Why do so many people in Singapore stay on an NG tube long-term?

This is where the local picture diverges from the textbook. Wong and colleagues surveyed long-term care facilities here and published the results in Nutrients in 2019 (Wong A, Sowa PM, Banks MD, Bauer JD. Nutrients 2019;11(10):2492). Nine facilities responded, covering 1,879 beds. Among residents on home enteral nutrition:

• 97.5% were fed by nasogastric tube.
• 2.5% had a PEG.
• Over 55% had been on NG feeding for 36 months or more.
• Point prevalence of home enteral nutrition was 136.6 per 1,000 residents.

A tube designed for weeks is, in practice, being used here for years. The reasons are a mix of family preference, reluctance to consent to an endoscopic procedure for an elderly relative, cost and access, and cultural views about what counts as invasive. None of that makes the families wrong. It does mean a great deal of NG tube care is happening in Singapore homes and nursing homes, over long periods, often by people who were shown the technique once at discharge.

The same study found that 55.6% of nursing staff in those facilities received less than one hour of nutrition training per year. If that is the professional baseline, it is worth being honest that family caregivers are frequently working with even less.

How much does tube feeding cost at home in Singapore?

The Nutrients survey put the median cost of home enteral nutrition at S$799.47 per resident per month, with an interquartile range of S$692.11 to S$940.30. Notably, nursing costs accounted for 63% of the total — the feed itself and the consumables were the smaller share.

That ratio is the useful part for families. The recurring expense of tube feeding is overwhelmingly about the hands doing the care, not the cans of feed. It is also why the trajectory of Singapore's caregiver support matters: the enhanced Home Caregiving Grant and the widening of support schemes we covered in our guide to caregiver support in Singapore for 2026-2027 are aimed squarely at that cost. Check current eligibility with the Agency for Integrated Care rather than relying on any figure you read online, including ours.

Feed prescriptions are usually initiated by a dietitian attached to the discharging hospital — SGH, NUH, TTSH, CGH and KKH all run dietetic services — and it is worth asking them explicitly which feed, what volume, what rate and what water flushes have been ordered before you leave the ward.

How do you check an NG tube is in the right place before feeding?

This is the single most important safety step, and it is not optional. A feeding tube that has migrated into the lung will deliver feed into the lung. It is classed internationally as a "never event" for a reason.

The accepted method is pH testing of gastric aspirate. Draw back a small amount of fluid with a syringe and test it on pH paper validated for gastric aspirate. A reading of pH 5.5 or below is consistent with the tube sitting in the stomach, and feeding can proceed. If the reading is above 5.5, or you cannot get an aspirate at all, do not feed. Contact the care team; a chest X-ray may be needed to confirm position.

Two cautions that matter in real homes:

• Acid-suppressing medication changes the result. Many older patients are on a proton pump inhibitor such as omeprazole. Their stomach contents may never reach pH 5.5 or below, so a non-acidic reading does not automatically mean the tube is misplaced — but it does mean you cannot clear the tube yourself and need to escalate.
• Never use the "whoosh test." Pushing air down the tube and listening with a stethoscope is unreliable and has been withdrawn from practice. Air injected into a lung also makes a noise. If anyone taught you this method, it is out of date.

Check position before every feed, before every medication, and after any episode of vomiting, retching or coughing that could have moved the tube.

What does daily tube feeding care involve?

• Sit the person up. At least 30 to 45 degrees during the feed and for 30 to 60 minutes afterwards. Feeding someone lying flat invites reflux and aspiration. This is the second most common preventable problem after tube position.
• Flush with water as prescribed. Before and after feeds, and before and after each medication. Flushing is what stops blockages, and a blocked tube usually means a trip back to hospital.
• Give medications separately. Never mix drugs into the feed bag. Flush between each one. Ask the pharmacist which tablets can be crushed — some must not be, and modified-release formulations lose their safety profile when crushed.
• Check the skin. For an NG tube, look at the nostril and the tape site for pressure damage — securement method matters more than most families are told, and we go into it in advanced NG tube securement. For a PEG, check the stoma site for redness, discharge or overgranulation, and rotate the tube as instructed.
• Mark and monitor the tube length. Note the external measurement at the nostril or the abdominal wall. A change means the tube has moved.
• Keep it clean. Wash hands before handling. Discard opened feed within the time on the label, and do not top up a hanging bag.

Undernutrition raises the risk of skin breakdown, which is why feeding and wound prevention belong in the same care plan — a point we made in nutrition and pressure injuries.

When should you call for help?

Contact the care team the same day, or go to an emergency department, if you see:

• Coughing, choking, breathlessness or a wet voice during or after a feed.
• A tube that has visibly moved, come out, or whose external marking has changed.
• pH above 5.5, or no aspirate obtainable.
• Repeated vomiting, a distended abdomen, or feed that will not go in.
• For a PEG: spreading redness, pus, bleeding, severe pain at the site, or fever.
• Diarrhoea that persists, which can be a feed rate or feed type problem rather than an infection.

Anyone being discharged home with a tube for the first time should also know who to telephone out of hours. Ask for that number before discharge, not after. If the person is on a hospital-at-home programme, the route is different again — we set out how that works in our caregiver's guide to MIC@Home.

Frequently asked questions

Is a PEG tube better than an NG tube?
Neither is universally better. A PEG is generally preferred when feeding is expected to last beyond four to six weeks, because it is more comfortable, more discreet and less prone to displacement. An NG tube avoids a procedure and is easily reversed. The right answer depends on prognosis, swallowing assessment, the person's wishes and the family's capacity to manage the care.

Can someone with a feeding tube still eat or drink?
Sometimes, but only if a speech therapist has assessed swallowing and authorised it. Tube feeding is often used precisely because swallowing is unsafe. Do not offer food or drink on your own judgement.

How long can an NG tube stay in?
Fine-bore NG tubes are typically changed every four to six weeks, or per the manufacturer's instructions and your care team's protocol. The tube being changed regularly is not the same as tube feeding being reviewed — ask periodically whether a gastrostomy would now be more appropriate.

Do I need a feeding pump?
Not always. Bolus feeding by gravity or syringe suits many people. A pump is used where a slow, controlled rate is needed, for example with reflux, poor tolerance or overnight feeding. Your dietitian decides this.

Can I give supplements through the tube?
Do not add supplements, herbal preparations or blended food to a feeding tube without clearance. They block tubes, they can interact with medication, and the dose delivered is unpredictable. Always consult your doctor, pharmacist or dietitian first.

Is tube feeding covered by MediSave or subsidies?
Support depends on the scheme, the setting and means testing, and the rules change. Speak to the medical social worker at the discharging hospital and to the Agency for Integrated Care about what applies to your situation.

This article is general information, not medical advice. Tube feeding must be set up and reviewed by qualified clinicians, and the instructions given for a specific patient always take precedence over anything written here. Please consult your doctor, dietitian or nurse.

EMIS+ is a nurse-led supplier of wound care, ostomy, continence, nutrition and home medical equipment to households, clinics and care facilities across Singapore. If you are setting up tube feeding at home and are not sure what consumables you need, you can browse our range at www.emis.asia.