Feeding Tube During Head & Neck Radiotherapy | IDCC

Why a feeding tube may be needed during head & neck RT

Radiotherapy can cause:

• Severe mucositis (mouth/throat ulcers)

• Odynophagia (painful swallowing)

• Dysphagia (weak/unsafe swallow)

• Thick saliva + loss of taste

• Dry mouth and fatigue
  These make it hard to maintain calories and fluids orally.

A tube helps you:

• Maintain nutrition + hydration

• Take medicines safely

• Reduce risk of hospital admission

• Avoid treatment interruptions

Types of feeding tubes (practical)

1) NG/Ryle’s tube (through nose to stomach)

• Usually short-term (days to weeks)

• Quick to insert, no procedure room needed in many cases

• Can be uncomfortable, may dislodge

2) PEG tube (Percutaneous Endoscopic Gastrostomy)

• Usually for longer support (weeks to months)

• More comfortable for many patients long-term

• Needs an endoscopic procedure

(Some centers also use RIG/PRG—radiology-guided gastrostomy—depending on availability.)

Prophylactic vs reactive tube placement

Prophylactic (planned before RT starts)

Considered when high risk of severe swallowing problems is expected, such as:

• Large-field mucosal RT (oropharynx/hypopharynx)

• Concurrent chemo-RT

• Significant pre-treatment weight loss, poor intake, frailty

• Bulky tumors causing dysphagia

• Very poor dental/oral condition

Reactive (when problems develop during RT)

Used when a patient starts with good swallowing but later develops:

• Inadequate intake for >3–5 days

• Weight loss (commonly >5–10%)

• Dehydration/IV fluid requirement

• Aspiration risk or repeated choking

Key message: needing a tube is not a “failure”—it’s supportive care to help you complete curative treatment safely.

How long does the tube stay?

• NG tube: often 1–6 weeks (varies)

• PEG: often 6–12+ weeks depending on recovery
  Tube removal is considered when the patient can maintain nutrition/hydration orally and swallow is safe.

“Will a tube make my swallowing worse?”

• Keep swallowing small sips/soft foods as tolerated (if safe)

• Do daily swallow exercises (speech/swallow therapist plan)

• Use tube to “top up” nutrition when pain is severe

Practical feeding targets (simple)

During head & neck RT, many patients need:

• High calories + high protein

• Frequent small feeds
  Common approach: 5–6 feeds/day + water flushes.

Your oncology dietitian will individualize targets, but clinically we watch:

• Weight trend

• Urine output

• electrolytes

• treatment tolerance

Tube care essentials (must-know)

Prevent blockage

• Flush with water before and after feeds/medicines

• Crush medicines only if permitted; use liquid forms when possible

Prevent infection/skin issues (PEG site)

• Keep site clean and dry

• Watch for redness, discharge, fever, increasing pain

Prevent aspiration

• Feed in upright position

• Stay upright 30–60 minutes after feed

• Stop feeds if coughing/choking worsens

When to call urgently

• Fever, chills, PEG-site pus/redness spreading

• Tube dislodgement

• Persistent vomiting, severe abdominal pain/distension

• Inability to flush tube (complete blockage)

• Breathing difficulty or repeated choking