Tingling in men’s nipples may be caused by breast hyperplasia, or it may be caused by clothing friction, allergies and so on. 1. Mammary gland hyperplasia: men’s nipple tingling may be mammary gland hyperplasia, the patient if the body’s hormone level is not normal, such as estrogen increase, androgen decrease, etc., may lead to male mammary gland development, which will lead to mammary gland hyperplasia. 2. Clothing friction: men’s nipple tingling may be caused by clothing friction, if the patient is in a state of motion, and the quality of clothing is rough, long-term friction may occur nipple rupture, bleeding and so on, so it will lead to men’s nipple tingling. 3. Allergy: men’s nipple tingling may be caused by allergy, when the patient’s nipples are stimulated by external allergens, there may also be a series of allergic reactions, such as nipple tingling, itching, redness and swelling. It is recommended that patients should find and stay away from allergens in time. It is recommended that patients should choose comfortable, pure cotton clothing to avoid causing damage to the nipples, and if there are any symptoms of physical discomfort, they should go to the hospital in time to consult a physician for guidance.