The most common cause of itching in the areola during breastfeeding is eczema, which is related to the living environment, climate, cold and damp, or genetics and allergies, etc. The main symptom is itching, which in some women is accompanied by redness, flaking and blisters. Itching can also be caused by allergies to other medications and foods. In addition to this, it can also be caused by the irritation of the nipples and areolas by chemical fiber underwear, or if the baby sucks on the breast for a long time during sleep, it can also cause itching.