Our 3 1/2 year old son has been diagnosed with ADHD, ODD, & Asperger's syndrome. Symptoms have been typical ADHD symptoms with aggressiveness,outright defiance and rage. Ritalin has unsuccessful in controlling any symptoms. Adderall was very successful in controlling a majority of symptoms but had the unfortunate side effect of insomnia. Luvox was prescribed to assist with sleep and minor anxiety symptoms. He had a horrible reaction to the Luvox. It caused further insomnia. Benadryl (over-the-counter) was suggested. Another horrible reaction. Caused violent mood swings and rage. Now, we are trying Risperdal. Nick is taking 1/4 of a 1mg pill 3 times a day. I am concerned that he seems "out of it" after only being on the medication for a day. He is supposed to increase his dose to 1/2 pill twice a day after 4 days at this dose, then ultimately to 1/2x3 after another 4 days on the 1/2x2 dose. I hesitate to increase his dosage given his response to the minimal dose. I do not want to medicate him into a zombie but want to help him sleep, cooperate and be able to function in his home and daycare/preschool. He seems so sensitive to medication. Do you have any suggestions. Is this a medication that his body needs to get used to? Is all this medication safe for a 3 1/2 year old? Should we be getting a second opinion?