To help prevent HHS, always take your insulin and other diabetes medicines as prescribed. Also test your blood sugar as directed by your doctor. And be sure to treat high blood sugar before it gets worse.
Following your meal plan and being active can also help prevent HHS. So can drinking plenty of fluids to avoid dehydration. Don't smoke, vape, or use other tobacco or nicotine products. Talk to your doctor if you need help quitting.
Work with your doctor to create a plan for when you are sick. The plan can include how to adjust your insulin and other medicines, if needed. It can also include how often to check your blood sugar, what symptoms to watch for, and what to do in case of an emergency.