Tingling sensation during breastfeeding can be caused by improper sucking, mastitis, and cracked breasts. 1. Improper sucking: the most common breast pain during breastfeeding is the baby sucking improperly, the baby just contain the tip of the nipple, repeated will lead to breast pain, this may be a normal phenomenon, timely adjustment of the baby sucking action, do not need special treatment. 2. Mastitis: When the milk accumulates and is not discharged in a timely manner, leading to breast blockage and the development of mastitis, which can cause symptoms of pain, you can use manipulative massage to promote the discharge of milk, the application of hot towels for the local hot compresses, avoiding the intake of spicy and stimulating food, take cephalosporin or amoxicillin capsules under the guidance of the doctor. 3. Cracked breasts: due to excessive sucking of the baby, the nipple can not withstand the stimulation, will make the nipple epidermis appear soft, ulceration formation of fissures, resulting in the breasts have a pinprick of pain, you can use water to wash, and follow the doctor’s instructions to apply erythromycin ointment for treatment. In addition, breast hyperplasia and breast fibroadenoma, breast cancer and other diseases may also lead to similar symptoms, when there is breastfeeding breast stinging sensation should be timely medical treatment, because in a special time, must be under the guidance of the doctor to use drugs and treatment.