Increasing breast size in adult males is almost always due to weight gain, which results in fat laying down over the pectoral region. If male breasts suddenly increase in size and/or become painful, however, then medical intervention is required. In old age , hormonal imbalances may be the cause. There are a few medical conditions, some of them requiring treatment, that can cause gynecomastia, so an accurate diagnosis will tell you and your doctor if you need to treat an underlying condition.If you have the Symptoms of Abnormal Development of Male Breast--Breast enlargement, we would say herbal medicine is a safe and effective form of treatment. At TCM Window, we offer relaxing treatments and expert guidance through the whole process. We specialize in different kinds of chronic and difficult miscellaneous diseases, we offer the best possible care in a peaceful and welcoming environment. If you would want our expert to create a TCM diagnosis, please fill out the health form as requested.