What Are the Early Signs of Autism in Toddlers?

9 min read · Updated June 2026 · Autism Therapy Near Me editorial team

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In short: Early signs of autism in toddlers often appear before age 2. These may include limited eye contact, not responding to their name, delayed speech, repetitive movements, and intense interest in specific objects. If you notice these signs, talk to your pediatrician. A free service like Autism Therapy Near Me can match you with a vetted, BCBA-led provider for evaluation and therapy, often covered by insurance or Medicaid.

Key takeaways

  • Early signs can include avoiding eye contact, not responding to name, and delayed babbling or speech.
  • Repetitive behaviors like hand-flapping or spinning objects may appear by 18 months.
  • Loss of previously acquired language or social skills is a red flag at any age.
  • Trust your instincts as a parent; early evaluation can lead to earlier support.

Understanding Autism Spectrum Disorder and Early Signs

Every toddler develops at their own pace. However, there are certain early signs of autism that parents and caregivers can watch for, especially between 12 and 24 months. Autism spectrum disorder (ASD) is a neurodevelopmental condition that affects how a person communicates, interacts socially, and processes sensory information. Recognizing early signs is the first step toward getting support, which can make a big difference in a child's development. This guide is here to help you understand what to look for, what to do if you have concerns, and how a free service like ours at Autism Therapy Near Me can connect you with qualified, BCBA-led providers in your area.

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Common Early Signs of Autism in Toddlers

Early signs are often noticeable by the time a child is 1 to 2 years old. They vary widely, but some common patterns emerge. Below are the main categories to watch for.

Social Communication and Interaction Signs

Toddlers with autism may interact differently with others. Some early signs include:

  • Limited eye contact: They may avoid looking at people or have fleeting eye contact.
  • Not responding to their name by 9-12 months, even when called repeatedly.
  • Lack of social smile or sharing expressions like joy or surprise.
  • Rarely imitating others (e.g., waving bye-bye, clapping hands) by 12 months.
  • Not showing interest in peers or preferring solitary play.
  • Difficulty with joint attention - not pointing to show you something interesting, or not following your point.

Communication Delays

Language development may be different. Watch for:

  • Late babbling (little babbling by 12 months) or unexpected changes in sounds.
  • No single words by 16 months or no two-word phrases by 24 months.
  • Loss of language - a child who was saying a few words stops speaking entirely.
  • Echolia (repeating words or phrases) instead of using original language.
  • Unusual tone or pitch in voice, such as a robot-like or sing-song quality.

Repetitive Behaviors and Restricted Interests

Repetitive patterns are common. These may include:

  • Hand-flapping, spinning, rocking, or toe-walking.
  • Lining up toys or objects obsessively, getting upset if order changes.
  • Intense interest in specific things (e.g., fans, wheels, numbers) with little interest in variety.
  • Insistence on sameness in routines, eating, or clothing, and distress over small changes.
  • Unusual sensory reactions: covering ears at sounds, avoiding certain textures, or seeking deep pressure.

When Do These Signs Typically Appear?

Signs can emerge gradually or suddenly. Many parents notice differences around 12-18 months. Some children show signs as early as 6 months, though diagnosis is often later. Loss of skills (regression) - especially language - can happen between 15 and 30 months and is a strong red flag. Trust your instincts; if you sense something is off, early screening is important.

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What to Do If You Notice Early Signs

If you have concerns, take these steps without delay. Early intervention is key.

Talk to Your Pediatrician

Your child's doctor can screen for autism using tools like the M-CHAT (Modified Checklist for Autism in Toddlers). They can also rule out other conditions like hearing loss. Be specific about what you've noticed. You can request a referral to a specialist, such as a developmental behavioral pediatrician or a child psychologist, for a thorough evaluation.

Seek a Comprehensive Evaluation

An official diagnosis can open doors to services. Many states provide early intervention programs (e.g., through the Individuals with Disabilities Education Act, Part C) that offer free or low-cost evaluations for children under 3. Contact your state's early intervention program or a local autism center.

Look Into Applied Behavior Analysis (ABA) Therapy

If an autism diagnosis is confirmed or even suspected, ABA therapy is a well-supported approach. It's typically covered by insurance, including Medicaid in many states. ABA helps build communication, social, and daily living skills. A BCBA (Board Certified Behavior Analyst) leads the therapy. Our free service, Autism Therapy Near Me, can match you quickly with vetted, BCBA-led providers who have availability. We handle the legwork so you can focus on your child.

Costs and Insurance Coverage for Early Intervention

ABA therapy can be expensive out-of-pocket - often hundreds of dollars per hour. But most commercial insurance plans, including those under the Affordable Care Act, are required to cover autism-related services for children. Medicaid also covers ABA in most states. Some state-specific programs (like California's Regional Centers or New York's Early Intervention Program) may offer additional funding. Free services like ours can help you navigate these options and find a provider who takes your insurance.

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Mistakes to Avoid When Looking for Early Signs

It's easy to misinterpret behavior or wait too long. Here are common pitfalls:

  • Assuming it's just a phase. While some behaviors can be typical (like hand-flapping during excitement), if multiple signs persist, it's worth checking.
  • Comparing with other children. Every child is unique, but consistent delays across domains (social, communication, play) are signs to investigate.
  • Waiting for a later age. Early intervention works best before age 3. Don't wait to see if they "outgrow it."
  • Ignoring regression. Losing words or social skills is a serious red flag.

Remember, early action does not mean labeling your child - it means giving them the best chance to thrive.

How Our Free Matching Service Helps

We know finding the right provider can be overwhelming. Autism Therapy Near Me is a free service that connects families with top-rated, BCBA-led ABA providers. We verify credentials, check availability, and respect your preferences (location, insurance, therapy hours). You fill out a quick form, and we provide personalized matches. Whether you're in a big city or a rural area, we can help. Sign up today and take the next step.

About this guide. Written and reviewed by the Autism Therapy Near Me editorial team. This article is general educational information, not medical advice - please consult a qualified professional such as a BCBA or your pediatrician about your child's needs. Last updated June 2026.

Frequently asked questions

At what age can I first notice signs of autism in my toddler?

Signs can appear as early as 6 to 12 months, but most parents notice differences by 12-24 months. Common early indicators include lack of eye contact, not responding to their name, and limited babbling. By 18 months, repetitive behaviors or speech delays may become more obvious.

Is it possible for a toddler to show signs of autism and not have it?

Yes, some signs - like avoiding eye contact or delayed speech - can occur in typically developing children or due to other issues (e.g., hearing loss). However, a combination of social, communication, and behavioral concerns makes an evaluation important. Only a professional can provide a diagnosis.

What should I do if my toddler loses skills they once had?

Losing language or social skills (regression) is a serious red flag for autism. Contact your pediatrician immediately for a hearing test and a developmental evaluation. Early intervention services can begin even without a formal diagnosis.

Will my insurance cover ABA therapy for early signs of autism?

Most health insurance plans, including Medicaid, cover ABA therapy for autism. Coverage often requires a diagnosis, but some early intervention programs offer services before a formal diagnosis. Our free service can help you find providers that accept your specific plan.

How can I get help if I think my toddler shows early signs of autism?

Start by talking to your pediatrician who can screen your child. Request a referral to a specialist for a full evaluation. You can also contact your state's early intervention program. For therapy, our free matching service at Autism Therapy Near Me connects you with vetted, BCBA-led providers in your area.

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