Like "I am allergic to all nuts, all fruits with pits including the dried versions of the fruit, raw tomatoes including pasta sauces, bananas, coconut, pears, apple peel but not the fruit, processed apple juice including cider, prune juice, cranberry juice can eat processed cranberry sauce as long as it is the jelled version. I have had these food allergies long before I was diagnosed. I asked an allergist if this would effect my blood sugar and she said no.because I am not eating the foods. I don't take shots for these allergies, I do carry benedryl. If your blood sugar is going up and down, it could be be based on what you are eating and how much you are eating. You should talk to your doctor about this as he or she knows your medical history and is the only one who can best answer your question. Diabetes is not a one size fits all disease and someone else with the same problem may have a different reaction to the same problem, Have you attend a diabetes education class? If you haven't attend one. You will be able to find foods that will help your blood sugar be in a more normal range for you in the mornings. A nutrtionist can help you find foods that work best for you I rarely have a problem with morning high or lows because I try to eat a protein before bed. Some people have to carry an epi-pen and get shots for their allergies.Thankfully, I don't have to do that. I have been allergic for so long I simply ask if foods are cooked in a nut oil. "