Generally, the disease of waist keyboard cannot be cured by taking medicine. In the past, my teacher, who was over 60 years old, had an operation with a medicine belt tied all day. It's best to go to the hospital for a detailed examination and don't take medicine indiscriminately. It is easy to get this disease after middle age, either waist or knee.

The big pharmacy in Guiyang should have the medicine you mentioned, such as a tree in the south gate.