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Quick Facts

Hyperosmolar Hyperglycemic State

By

The Manual's Editorial Staff

Last full review/revision May 2021| Content last modified May 2021
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What is hyperosmolar hyperglycemic state (HHS)?

Hyperosmolar means your blood is too concentrated. Hyperglycemic means your blood sugar is too high.

  • HHS is a complication of type 2 diabetes

  • You get very dehydrated, which can cause confusion, coma, seizures, and death

  • Treatment is fluids in your vein and insulin

What causes HHS?

You're more likely to get HHS if you have type 2 diabetes and you:

What are the symptoms of HHS?

The first symptoms are:

  • Urinating (peeing) a lot

  • Dry mouth and dry skin

  • Feeling very thirsty

  • Mental changes, such as confusion or extreme sleepiness

If not treated early, you may also have:

How can doctors tell if I have HHS?

Doctors may think you have HHS if you have diabetes and seem confused. They tell for sure by doing:

  • Blood and urine tests

How do doctors treat HHS?

Doctors treat you in the hospital with:

Doctors also treat whatever other problem caused the HHS.

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