There are many reasons for a nipple tingling, as seen in the analysis below: 1, nipple trauma, such as nipple bruising or being crushed resulting in nipple trauma, if only redness and swelling can be applied with a cream, if there is a wound can be applied erythromycin ointment. 2, nipple cracking, such as breastfeeding does not pay attention to hygiene, nipple broken skin, cracked or feeding incorrectly resulting in nipple biting open, change the way of feeding, keep the nipple clean and dry. The company’s main business is to promote the development of the company’s products and services.