1 Mastitis (breast infection) can have a similar appearance. 2  Warmth, pain, or redness of the skin. 3  This can be caused by mastitis or other infection. 4  Any rash that doesn't go away should be evaluated. 5  Scaling or flaking. 6  These skin changes can be associated with eczema or dermatitis (benign skin conditions).
Low blood sugar is usually treated by eating sweets, but for some people, eating sweets can actually cause low blood sugar. This condition, sometimes called post-prandial hypoglycemia or reactive hypoglycemia, can cause a dip in blood sugar after eating a meal high in refined carbohydrates, such as sweets.
In response, your pancreas releases insulin to help move these sugars from the blood into the cells of muscles and other tissues to be used for fuel. Within two hours of eating, your insulin and blood glucose levels should return to normal. If your blood glucose levels remain high, you may have diabetes.