I've read about autism and naltrexone at a low dose. tell me, is the 50mg they give alcohol and heroin addicts ok to give an autistic child? is 50mg considered a low dose? please help. thxs?

Giving Naltrexone to autistic children is still in the experimental phase of trials. It is definitely not something that should be done at home without medical guidance. Talk to the child's Pediatrician for the best options in each situation as they will have the ability to assess and follow any medical interventions. Other treatments involving occupational and social therapy show great results.