No. There are no peer reviewed, evidence based studies supporting homeopathic remedies for tourette's syndrome. See dr. Barrett's excellent article on homeopathy at > http://www.Quackwatch.Org/search/webglimpse.Cgi?Id=1&query=homeopathy <.
DEPENDS IF BELIEVE. Homeopathy is a philosophy of healing. Some physicians believe in it. Most are doubtful. If you find this appealing, perhaps try it immediately, and if no sign of clear help in labs, consider other options. Tourette's can have many infection causes and other causes.
No. Homeopathic treatments have no fda approval, which means they have not been proven to be either safe or effective for treatment of any disease or condition.