A developmental specialist working with a child and parent
Parent guide · Development

Autism Symptoms in Children

Autism-related signs can involve social communication, interaction, play, sensory responses and repetitive patterns of behaviour. One sign by itself does not diagnose autism. A developmental assessment looks at the child's full pattern of strengths, needs and development.

Common signs

What parents may notice

  • Limited response to name
  • Reduced use of gestures or shared attention
  • Speech or language delay
  • Differences in eye contact or social interaction
  • Repetitive movements or play
  • Strong need for routines
  • Unusual sensory responses
  • Difficulty joining age-appropriate play
Possible reasons

What can cause it?

Autism is a neurodevelopmental difference with multiple contributing factors. It is not caused by poor parenting. Assessment focuses on the child's development and support needs rather than blame.

When to book

When should your child be assessed?

  • Communication or social concerns are persistent
  • A child has lost language or another acquired skill
  • Nursery or school raises repeated concerns
  • Play or behaviour is affecting daily life
  • The family needs a structured assessment and support plan
Urgent warning signs

When to seek immediate care

  • Loss of skills should be assessed promptly
  • Immediate risk of self-injury or harm
  • Severe feeding or sleep problems causing medical instability
  • A seizure or altered consciousness
At the specialist visit

How the concern may be evaluated

  • Developmental and medical history
  • Observation of communication, interaction and play
  • Hearing, vision and health review where appropriate
  • Information from caregivers and school
  • A support and follow-up plan
Prepare

What to do before the visit

  • Bring school and therapy reports
  • List specific examples and the child's strengths
  • Bring hearing or vision assessments
  • Share videos of natural interaction when appropriate
Questions parents ask

The real questions, answered.

Not what we wish you'd ask. What you're actually thinking when you find this page.

Book a consultation
Does speech delay mean autism?

No. Speech delay has several possible causes. Assessment considers communication, social interaction, play, hearing and overall development.

Can autism be diagnosed from an online checklist?

No. Checklists can highlight concerns but do not replace a clinical developmental assessment.

What age can autism be assessed?

Concerns can be assessed in early childhood, and earlier evaluation can help families access appropriate support.

Will my child need therapy?

Recommendations depend on the child's profile and may include parent strategies, school support or specific therapies.

Should siblings also be assessed?

Only if there are developmental concerns. Discuss family history and observations with the clinician.

Persistent symptoms deserve a clear next step.

Speak with Developmental and Behavioural Paediatrics or contact our team to organise the right starting point.