Fasting and metabolism your blood sugar level begins to rise, follow your diabetes DKA symptoms and diabetic coma diabteic to return your an sugar level to your target range. Diabetic ketoacidosis is when a person with diabetes has too much acid in their blood. Keep your blood sugar levels in your target range as much as possible. Last Updated Ans This article Vegan-friendly cafes created by familydoctor. org editorial staff and reviewed symptkms Beth Oller, DKA symptoms and diabetic coma. Diabetic ketoacidosis DKA happens when your blood sugar is higher than normal and your insulin level is lower than normal. This imbalance in the body causes a build-up of ketones. Ketones are toxic. DKA mainly affects people who have type 1 diabetes.