 [ Symptoms ] if a person has a bad reaction to a bee sting can any stings in the future cause anaphylaxis  my husband has a hive he got stung on the back of his neck and the reaction escalated for 2 days to half the neck being bright red swollen and hard is he in danger of anaphylaxis from future stings [ Disease ] there could be a few things going on did you change or alter your medication if you are on medication also as you say a1c is an average over 3 months so how you were eating the two months prior makes a difference it is also possible your carbohydrate intake was lower before starting the diet and the increases changed your blood sugar i would see a diabetes educator while you work at getting to the right weight for you they can help guide you in the process good luck