In your case, a lump under the nipple at 16 years old sounds like it might be pubertal gynecomastia, which is quite common. During puberty, hormonal changes can lead to the growth of breast tissue, resulting in lumps under the nipple that often resolve on their own within a year or two. The firmness you describe is typical, and the stability in size without other symptoms like pain or discharge is also reassuring. While most cases of pubertal gynecomastia don’t require treatment, it’s wise to monitor any changes in the lump. If it increases significantly in size or you develop symptoms such as pain, tenderness, redness, or nipple discharge, these warrant a visit to a healthcare professional for evaluation. Diagnostic tests like a physical examination by a doctor or even an ultrasound could be considered to rule out other possibilities like a lipoma or cyst, but only if changes occur. Given that you’re involved in gym activities, it’s good to avoid anabolic steroids or certain supplements that can exacerbate breast tissue growth. Maintain your healthy lifestyle, but know this condition usually resolves naturally. If concerned, consider a visit to a healthcare provider for peace of mind and further assessment.
Concerns About Lump Under Nipple - Is It Gynecomastia? - #29059
Patient Description (Gynecomastia Concern) I am a 16-year-old male. I have noticed a lump in my chest area (under the nipple) for the past 6–8 months. The lump feels firm/hard and is located directly beneath the nipple. There is no pain or tenderness when I touch or press it. The size has been mostly stable and not increasing rapidly. The surrounding chest area feels slightly soft, but the lump itself feels different from normal fat. There are no other symptoms like discharge, redness, or swelling. I do regular physical activity and go to the gym. I have not taken any medications or supplements related to this condition. I would like to know whether this is normal pubertal gynecomastia and if it will resolve naturally, or if any treatment or further tests are required.
How would you describe the lump's size over the past few months?:
- It has stayed the sameHave you noticed any changes in your weight recently?:
- Significant weight gainDo you have a family history of gynecomastia or similar conditions?:
- No, not that I know of100% Anonymously
No sign-up needed.

Doctors' responses
Hello dear See as per clinical history it seems pubertal gynaecomastia. It is common in your age and is usually benign and painless Differential diagnosis includes Pseudogynacomstia Lipoma Cyst I suggest you to please get in person consultation with gynaecologist fir better clarity and for safety please donot take any medication without consulting the concerned physician Regards
100% Anonymously
Get expert answers anytime, completely confidential. No sign-up needed.
About our doctors
Only qualified doctors who have confirmed the availability of medical education and other certificates of medical practice consult on our service. You can check the qualification confirmation in the doctor's profile.