Homeopathy- a good book to read on the subject is Ritalin Free Kids by Dana Ullman Feingold diet- elimanates artifical colors and flavorings in diet, as well as naturally occuring salicylates found is some food. http://www.feingold.org Allergies can also sometimes cause ADHD type conditions. A good book to read - Is this your child? by Doris Rapp.

Good luck in your search.