Diabetic ketoacidosis symptoms often come on quickly, sometimes within 24 hours. For some, these symptoms may be the first sign of having diabetes. Symptoms might include: 
Being very thirsty
Urinating often
Feeling a need to throw up and throwing up
Having stomach pain
Being weak or tired
Being short of breath
Having fruity-scented breath
Being confused
 More-certain signs of diabetic ketoacidosis — which can show up in home blood and urine test kits — include: 
High blood sugar level
High ketone levels in urine
