Living with Asperger's Syndrome

please help !! my son blayde is 2 years and 9 months at 18months i took him to a ADD doctor for children told my sons ” problems ” and he suggested to me that what he was seeing and from wat i was telling him that my son blayde may have aspergers syndrome ( autism on sum level ) so after months of looking it up going back and fouth to the same doctor he then refferd me to a developmental paediatrician ( which coast me alot of money at the time that i didnt have ) but i was also given a public ( free ) assment so after being on their waiting list for months i was told today by them after spending 2 hours with my son that he has nothing wrong with him not even add ( which my sons other peadiatrician the one who also thinks he dose have aspergers ) gives me tablets for … which doctor is in the right im no better off and my son isnt gettin the right help at all ……. my son dose things like
scReams so high pitch
hit him slef or others out of fustration
every hour on the hour at time time wakes up for a drink EVERY NIGHT
lines his cars up perfect
looks at his cars from weird angles and with such detail
dose not interact with other kids
gets every up set with change or new placers
wont play at a park like other kids wont play with other kids
cant dress himself
cant eat with out putting it in his hair
scratchers the same spot on his foreheard or twist his rist ( as a car ) for no reason
at times seems so so so distant or ( deaf )
when driving in a car when passing cars ( every car he sees on the orad he talks about them ) good car cool car hummer car ute
i found not even able to change his bed into a differnt spot he had a melt down until i changed it back same with my lounge room
hates loud sound loves fruit cup cordail hates shopping centers elevaters , the beach pools ( but loves the bath ) hates showers loves wheels or anything that is round and spins
every hard to control settle and relax alot ( most ) of the time

can sumone please help me wats wrong with my son ……