What Are the Symptoms of Autism?

Common symptoms of autism include:

• A lack of eye contact
• A narrow range of interests or intense interest in certain topics
• Doing something over and over, like repeating words or phrases, rocking back and forth, or flipping a lever
• High sensitivity to sounds, touches, smells, or sights that seem ordinary to other people
• Not looking at or listening to other people
• Not looking at things when another person points at them
• Not wanting to be held or cuddled
• Problems understanding or using speech, gestures, facial expressions, or tone of voice
• Talking in a sing-song, flat, or robotic voice
• Trouble adapting to changes in routine

Some children with autism may also have seizures. These might not start until adolescence.