Man breast also known as gynecomastia is not treated with medicines.
Let me first brief you that gynecomastia is diagnosed after the physical examination of the breast tissue. Males can have increased fat deposition over the chest area which seems like breast which is not. Therefore you need to confirm that it is not fat tissue but the breast tissue to say it as gynecomastia.
I would like to ask you a few more questions to answer you better.
Next Steps
Do not worry. We will figure it out.
Health Tips
Do not rash decisions by going to quacks. Medical science is very upfront on management of diseases they can treat or not treat, medically or surgically. No false promises.