Answer (1 of 3): Friction is the most common reason for the nipples to be sore. Friction can occur if the nipples rub against a shirt or poorly-fitting bra, during sports activities, such as running, surfing, or basketball. Friction on the nipple can often cause soreness and a stinging pain. The
See a Weird Scab on Your Nipples? Doctors Explain Potential Reasons
One of my nipples hurt and I squeezed so much out. : r/popping
My left nipple is abnormally hard and erect and has a stinging, aching sort of pain. Should I be worried about breast and/or nipple cancer? - Quora
As a 13 year old male, why do my nipples hurt? How can I get it to stop? - Quora
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I felt a pea-sized lump next to my right nipple – but I ignored it
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I'm a 14-year-old male, and I can feel a lump about the size of a pea inside both of my nipples. Does this have anything to do with my hormones, or is
Article: 7 Reasons You Might Have Sore Nipples
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Is it normal for a guys nipples to be always cold, hard and hurt? - Quora
My right nipple is puffy all the time and there is always dead skin peeling off of it. What should I do? I'm 12 years old. - Quora
