Is 103 a low blood glucose level?
Symptoms of falling blood glucose levels include headaches, anxiety, mood swings, blurred vision and fatigue. Unfortunately, hypoglycemia happens rather quickly. In such emergencies, the American Diabetes Association advises eating 15 to 20 grams of simple carbohydrates or glucose such as raisins, juice and honey, and to keep doing so until blood glucose rises to normal levels.
Sources: nlm.nih.gov, diabetes.org