The concept of "wind" in Chinese Medicine covers a broad range of conditions. As wind can be both internally and externally generated you will see conditions of external wind (wind-cold), for example, in the case of the common cold and internally as wind-stroke, for example, in the case of CVA (stroke). Generally the symptoms are either of a sudden nature or those that like to move around the body like a pain in one knee one day and then in your shoulder the next, etc.. Internally generated wind may combine with other influences (heat, cold, etc.) but it generally arises from a liver imbalance. Generally formulas within this category are useful for conditions ranging from skin rashes, dermatitis, numbness in the body, dizziness, joint pains, difficult speaking and more.