Why do you suggest homeopathy treatment for tn?

No we don't. Homeopathy has been discredited numerous times. http://www.youtube.com/watch?v=hmgibogu8q0.
Better explanation. http://www.youtube.com/watch?v=tzilsfaezog&feature=watch_response.
Trigeminal Neuralgia. Is challenging diagnosis to live with. Allopathic treatment is generally only palliative. A well chosen homeopathic remedy has helped immensely; with patient testimonies available.