Symptoms of autism typically begin in early childhood - but can often go unrecognized. The symptoms are persistent and interfere with their daily living. Many people with Autism also have sensory issues and are associated with certain physical and mental health conditions.
Note that: Autism is diagnosed using a checklist of criteria. Their diagnoses also includes their level of severity. That is why autism is a spectrum disorder. The severity scale is used to reflect how much support they will need for daily life functions, i.e. going to the bathroom, eating, getting dressed, etc.
Both adults and children with autism have difficulty with verbal and non-verbal communication. That means they may have trouble understanding or approptiately using verbal and non-verbal communication, such as:
Additionally, there are social challenges they can face:
Again, autism is a spectrum disorder. So, repetitive and restricted behaviours that cause restrictions also range from person to person. For example, some may experience: