Autism in children & teens

Some young autistic children line up toys and get upset if the order changes, play with toys the same way every time, or focus on parts of objects, like the wheels on a car. Minor changes in routine can feel very upsetting.

Some autistic children talk late, some repeat words or phrases (called echolalia), and some don’t use spoken words at all. Others have a very formal or grown-up vocabulary.

Young autistic children may react strongly to sounds, smells, tastes, looks or textures, or seem not to notice some things at all. Flapping hands, rocking or spinning are also common, and often show excitement or help the body feel calm.

In the U.S., the American Academy of Pediatrics recommends all children be screened for autism at their 18- and 24-month well-child checkups. Screening tools don’t give a diagnosis. They show which children need a closer look.

The CDC says early intervention can greatly improve a child’s development, helping with skills like talking, walking and playing with others. In the U.S., it serves children from birth to 3 years old.

You don’t need a doctor’s referral or a diagnosis to ask your state’s early intervention program for a free evaluation. Parents can refer their own child.

From age 3, children may get services through the local school system, even before they start school and even without an autism diagnosis.

The CDC describes several kinds of support. Developmental approaches, like speech and language therapy and occupational therapy, build skills. Educational approaches use visual routines and structure. Behavioural, social and psychological approaches are also used. Support can happen at home, school or in the community.

Help for a specific need, like speech therapy for language, often doesn’t need to wait for a formal autism diagnosis.

Good questions to ask any provider

• How will this respect my child’s comfort and choices?
• How will you include my child’s interests?
• Will my child be allowed to stim and take breaks?
• How will we know if it’s helping?

Many parents feel a mix of things: relief at having answers, worry about the future, or sadness about the path they expected. All of these are normal. Your child hasn’t changed. You now have more ways to understand them.

Older children may have few close friends, a very formal or advanced vocabulary, take things literally, and react strongly when rules are broken. Big changes, like moving from elementary to middle school, can be especially hard.

Things that often help

• A quiet place to take breaks
• Clear, written instructions
• Warning before changes, like a substitute teacher
• Using their interests in lessons
• Seating away from noise

Schools in the U.S. can offer supports through an Individualized Education Program (IEP) or a 504 plan. These can include things like extra time, a quiet space, speech therapy or a classroom aide.

Autistic girls may copy other girls, stay quiet in hard situations and seem to cope socially. Their interests may look “typical”, just much more intense. Because of this, many are missed at school.

Many autistic children mask all day at school, hiding stress to fit in. When they get home, it all comes out. Teachers may say “she seems fine here”, while home life is very hard.

Autistic people often face stigma, teasing and exclusion. Autistic adults remember masking at school partly to avoid bullying.

What parents can do

• Believe your child and write down what happened
• Ask the school for a clear safety plan
• Help your child name a safe adult at school
• Look for clubs where they can meet kind peers

The NHS suggests keeping familiar routines and telling autistic children about changes as early as possible, then introducing the change slowly, in a safe, familiar place.

Ideas

• A picture schedule for the morning and bedtime
• A timer or countdown before switching activities
• Photos or videos of new places before you go
• A “Plan B” for days that go wrong

Sleep problems are common in autistic children. A busy mind, sensory discomfort (a scratchy sheet, a ticking clock), or worry about tomorrow can all keep sleep away.

Gentle ideas

• A predictable bedtime routine, maybe with a picture schedule
• Blackout curtains and white noise
• Comfortable bedding and pyjamas
• Screens off a while before bed
• Talking to your child’s clinical provider if sleep problems continue

Many autistic children have strong food preferences. It is often about texture, smell or how predictable a food is, not being fussy.

What can help

• Always offering at least one “safe” food at meals
• Introducing new foods slowly, with no pressure
• Serving foods separately if mixing is hard

Gut problems like constipation are more common in autistic children. A child who can’t easily explain tummy pain may show it through behaviour: more meltdowns, poor sleep or pressing on their belly.

A meltdown is the nervous system overflowing, not a choice. Common triggers include noise, sudden changes, being tired or hungry, or a long day of holding it together.

During a meltdown

• Keep everyone safe, and move breakable things away
• Use few words and a calm voice
• Lower noise and light if you can
• Wait. Talk about it later, when everyone is calm

Puberty brings new sensory changes, new smells, new feelings and new routines, like shaving or periods. For autistic teens, these can feel sudden and confusing.

What can help

• Explaining changes early, plainly and with pictures
• Step-by-step written routines for new self-care tasks
• Choosing products that feel okay on the skin
• Giving privacy and a say in what happens

Many autistic teens want friends but find the hidden rules tiring. Clubs, games and online communities built around a shared interest can make friendship easier. Online spaces can be great, but they also need some safety rules.

What helps teens

• A say in their own support plans
• Learning about autism in a positive way, including their strengths
• Meeting other autistic teens
• Planning early for life after school

Some autistic teens are also exploring gender or sexuality. They deserve the same acceptance and support as any teen.

Anxiety and depression are more common in autistic young people. Signs can include losing interest in a favourite topic, sleeping much more or less, more meltdowns or shutdowns, or losing skills.

A Danish study of everyone aged 10 and over found autistic people had more than three times the rate of suicide attempts. Most who attempted also had another mental health condition. Getting help early matters.

Adulthood brings new demands: work, money, relationships and running a home. Planning early, with the teen at the centre, makes the move smoother. In the U.S., IEPs include planning for life after school.

Pick a calm time when your child is relaxed and won’t be interrupted. Autistic children can find new information harder to take in when they are anxious or somewhere unfamiliar. Give them time to think and come back with questions.

Some parents start by talking about how everyone in the family has different strengths and struggles, then explain there is a name for the way their child’s brain works. You can say autism is not an illness, and that autistic people have some things in common but are all different.

Simple words you might use

• “Your brain works in a way called autism.”
• “It’s why loud places feel so big to you, and why you know so much about space.”
• “Lots of amazing people are autistic.”
• “There’s nothing wrong with you. We’ll figure out what helps, together.”

Some children find it really helpful to meet other autistic children and learn that they are not alone.

If you have other children, you may want to talk with them separately, using words that fit their age.

What can help

• Ask for respite or share the load
• Connect with other parents or carers
• Get your own counselling if you need it
• Keep one thing just for you each week

Some adults discover they are autistic after their child is identified and they recognise themselves. If that’s you, the “Autism in adults” guide is a good next step.

The Autism Society’s National Helpline has information and referral specialists, and local affiliates connect families with support near them. It is not a crisis line.

Contact

• Helpline: 1-800-328-8476
• Website: autismsociety.org

Many parents find it helpful to read and listen to autistic adults, who can describe from the inside what helped them as children. The Autistic Self Advocacy Network (ASAN) is run by and for autistic people.