Hypoglycemia is a condition that occurs when your blood sugar is below 70 mg/dL. It can occur when your body's sugar is used up too quickly, your sugars are released into the bloodstream too slowly or too much insulin is released into the bloodstream. Taking your insulin or diabetes medicine at the wrong time or too much of it, not eating enough during meals or snacks after you have taken insulin or diabetes medicine, or drinking alcohol. Symptoms may include: * Aggression/Mood swings/Confusion * Rapid heart rate * Nausea * Headache * Clammy skin
Hyperglycemia is when your blood sugars are too high. Hyperglycemia happens when the body has too little insulin or when the body can't use insulin properly. * Fatigue * Headaches * Increased thirst * The need to urinate more frequently