Dumping Syndrome
ICD-10 K91.1 · ICD-11 DE11

Treatment of Dumping Syndrome with Late Reactive Hypoglycaemia Occurring 1–3 Hours After Meals

Clinical Scenario

This protocol covers late dumping syndrome presenting as reactive hypoglycaemia in the 1–3 hour post-prandial window. The defining criterion is a nadir blood glucose below 50 mg/dl, consistent with pathological late post-meal hypoglycaemia.

Late dumping syndrome usually occurs 1–3 h after a meal and is characterised by reactive hypoglycaemia. A modified oral glucose tolerance test is considered positive when late hypoglycaemia (<50 mg/dl, at 60–180 min after ingestion) develops.

Initial Management Approach

The primary intervention is dietary modification, which is generally beneficial for the majority of patients. Adjustments target both meal composition and post-meal behaviour — the complete, structured regimen with all recommended steps is available via the link below.

Instant Access to Structured Evidence-Based Regimens
References

Late dumping syndrome usually occurs 1–3 h after a meal and is characterized by (reactive) hypoglycaemia.

The modified OGTT is considered positive for late dumping syndrome based on the development of late (60–180 min after ingestion) hypoglycaemia (<50 mg/dl).

Dietary modification is the initial approach, and is usually beneficial for the majority of patients.

DOI: 10.1038/s41574-020-0357-5

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