My kidney yang how is it treated?

Health counseling description:
I am 27 years old and have the following symptoms: 1. Use the saying goes belly easily catch cold, cool with the will of diarrhea. Sex the next day, backache, fatigue, bad spirit, and last for a few days. Even a week only a one-time life of such symptoms. Cold hands and feet sweat more the summer encounter cold tap water palms because cool feel pain. 4 scrotum wet. The phenomenon of hair loss, the hair do not have more than sparse white hair many. How to see all deficiency, just do not know how to completely cure me step by step, the doctor pointing! !
How do want to help: thank the doctors for my quick answer - how the treatment and prevention
Doctor: Hello: It is recommended that you try taking Warming kidney proprietary Chinese medicines.