It is intended for general informational purposes and is not meant to be a substitute for professional medical advice, diagnosis, or treatment. They monitor your heart rate and sometimes even your sleep. Crandall-Synder says that breakfast is essential, especially when there is a risk of hypoglycemia. Diabetes does not increase your risk of allergic reaction, but it does depend on your predisposition toward allergic reactions in general. Probiotics are found in fermented foods such as yogurt, kefir and kimchi. One review of observational studies showed that those who drank more water had a lower risk of developing high blood sugar levels . Your health care provider will usually check your blood sugar levels if you have prediabetes. Low blood sugar patients should have their blood sugar checked more frequently. Other fat foods that help control diabetes are eggs and nuts. The Health Encyclopedia has general information on health. If you have diabetes, you are probably already testing your blood glucose at home, and you can test an extra time if you think that you may be having a hyperglycemic episode.