Many parents of autistic children report that their child received repeated or prolonged courses of antibiotic drugs for ear or other respiratory infections during their first year, before the diagnosis of autism. Broad-spectrum antibiotics kill good as well as bad bacteria in the gut, and this may be why autistic children commonly have bowel irregularities.
So if your child has autism, restoring a healthy gut is vital. You can start simply, by supplementing digestive enzymes, and giving probiotics to restore the balance of gut bacteria. Both measures help heal the digestive tract and promote normal absorption, and have produced positive clinical results in autistic children.