You have ketones. How do you feel? Diabetes Home Sick days When to follow your sick day plan Go to hospital when What are ketones? How do ketones happen? What to do when you have ketones You have ketones. How do you feel? You have ketones. What do you do? You want to drink all the time. You pee a lot. You may vomit. You think you can not breathe you may feel hot in the face. feel very weak and tired. You can also have runny poo have a bad tummy pain or Your breath smells like fruit. Back Diabetes Home Next This is general information. Talk to your doctor for information made for you.