The symptoms of autism usually first appear before a child reaches the age of three. Parents will notice that the child has difficulty with social interaction, is more receptive to stimulation, and may have trouble communicating. While symptoms of autism can be mild, some people with the condition have serious disabilities that may hinder their everyday life. Early diagnosis is important because it allows parents to get the help their children need. Listed below are the most common signs of autism. While some children with autism show no recognizable symptoms at all until the age of three or four, there are several things you can do to detect the signs early. The first step is to visit a pediatrician. Only an experienced professional can diagnose your child with ASD. The diagnosis of ASD can be made as early as 18 months of age and is highly reliable by two. A delay in diagnosis will allow the child to receive the best possible treatment. The symptoms of autism vary according to the severity of the disorder. Although a person can have different degrees of impairment, it is critical to get early intervention for a child with autism. Different kinds of treatment are available, and the right one will help your child function more independently. They will be able to live a life that is fulfilling. A person with autism is not likely to be cured by a single treatment, but it is important to try a variety of therapies in the meantime.