Hyperosmolar Hyperglycemic State (HHS)
Hyperosmolar hyperglycemic state (HHS) is a life-threatening complication of type 2 diabetes characterized by extremely high blood sugar, severe dehydration, and altered mental status. Unlike DKA, ketones are usually minimal.
Quick Facts
- ICD-10: E11.00
- Mortality: Significant if untreated
Call 911
Call 911 for a person with diabetes with:
- Extreme thirst and frequent urination
- Very high blood sugar (often >600 mg/dL)
- Severe weakness or confusion
- Dry skin, sunken eyes, rapid heart rate
- Seizure or loss of consciousness
Treatment
- Hospital ICU care
- Aggressive IV fluid replacement
- Insulin (after initial fluids)
- Electrolyte correction (especially potassium)
- Treat underlying trigger (infection, medications, missed insulin)
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- American Diabetes Association. Standards of Care.