What is the proper procedure for flushing a PEG tube?

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Last updated: September 27, 2025View editorial policy

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Proper Procedure for Flushing a PEG Tube Using Kangaroo Omni Device

When flushing a PEG tube using a Kangaroo Omni device, administer at least 30 mL of water before, between, and after each medication or feeding to prevent tube occlusion. 1

Step-by-Step Flushing Procedure

Preparation

  • Verify patient identity and check the PEG tube for proper placement
  • Wash hands thoroughly and gather all necessary supplies
  • Position the patient with head elevated at minimum 30° angle to reduce aspiration risk 2

Flushing Technique

  1. Initial flush: Administer 30 mL of water through the PEG tube before any medication or feeding
  2. Medication administration:
    • Administer each medication individually (never mix medications)
    • Flush with 30 mL of water between each medication
  3. After medication/feeding: Administer 30 mL of water as final flush
  4. Maintain patient position: Keep patient's head elevated for at least 30 minutes after feeding 2

Important Considerations

Medication Administration

  • Medications should be given in liquid form when possible to reduce clogging risk 2
  • Avoid hyperosmolar drugs, potassium supplements, iron supplements, and sucralfate as they are more likely to cause clogs 2
  • Never shake syringes to remove medication as this can expose the environment to the drug and affect dosing 1

Tube Maintenance

  • For balloon-type tubes, check water volume weekly and replace every 3-4 months due to balloon degradation 2
  • Allow approximately 1 cm of play between skin and external bolster to prevent buried bumper syndrome 2
  • Perform daily inspection of the tube insertion site for signs of infection or complications 2

Avoiding Common Pitfalls

Preventing Tube Occlusion

  • Never mix medications before administration through the tube due to risk of drug-drug interactions 1
  • Always use sufficient water (30 mL) for flushing to maintain tube patency 1
  • Polyurethane PEGs may be preferable to silicone PEGs for medication administration due to better patency retention 1

Reducing Aspiration Risk

  • Always maintain head elevation during and after feeding 2
  • Consider conversion to gastrojejunostomy tube for patients with recurrent aspiration 2
  • Schedule nebulizer treatments away from feeding times to reduce aspiration risk 2

Monitoring for Complications

  • Monitor for signs of peristomal infection, which occurs in up to 30% of cases 2
  • Watch for signs of buried bumper syndrome (0.3-2.4% of cases) 2
  • Be alert for symptoms of aspiration pneumonia, which requires prompt management 2

By following these evidence-based guidelines for PEG tube flushing, you can minimize complications and ensure optimal delivery of medications and nutrition to your patient.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Guideline

Gastrostomy and Gastrojejunostomy Tube Management

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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