# Early signs of Selective Mutism in an 18–24-month-old

Canonical: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism-in-a-18-to-24-month-old
Publisher: Pinnacle Blooms Network / Bharath Healthcare Laboratories Private Limited

Selective Mutism is not typically diagnosed at 18–24 months, because emerging language and shyness with strangers are normal at this age. There are no toddler-specific 'early signs' to hunt for; instead, watch overall communication — babbling, gesturing, responding to name and emerging words across all settings. A clear speak-at-home-but-never-at-nursery pattern only becomes meaningful nearer the preschool years.

*At 18 to 24 months, a quiet toddler is so often simply a quiet toddler finding her own pace — so what, if anything, should you actually watch at this tender age?*

## In short
Selective Mutism is a recognised anxiety-based condition where a child speaks comfortably in some settings (usually home) but consistently cannot speak in specific social situations (such as nursery or with unfamiliar adults). Importantly, it is **not usually diagnosed at 18–24 months**, because language is still emerging and shyness with strangers is entirely normal at this stage. There are no "early signs of Selective Mutism" to hunt for in a toddler this young — instead, this is an age to observe broad communication and social comfort, and to seek a general developmental check if speech or social engagement seems concerning. Nothing here is a diagnosis.

## Why this label doesn't fit a toddler — and what IS appropriate to watch
Selective Mutism is typically recognised once a child is in regular settings that *expect* speech — often around 3 to 5 years, when nursery, preschool or new social demands reveal a clear, consistent inability to speak where the child otherwise can. Before that, a child needs to have established expressive language and faced those social situations for the pattern to be meaningful.

At **18–24 months**, what is healthy and expected includes:
- **Stranger wariness and shyness** — clinging, going quiet or hiding with new people is normal and protective at this age.
- **A warming-up period** — many toddlers fall silent in a new place, then relax and chatter once comfortable.
- **Emerging words** — by around 18 months many toddlers have a handful to 20+ words; by 24 months, often combining two words. There is wide, healthy variation.

Rather than looking for mutism, it is more useful to watch for **overall communication and connection**:
- Does she babble, gesture, point and try to share things with you?
- Does she respond to her name and to simple requests?
- Does she use sounds and emerging words to get needs met at home, where she is most comfortable?
- Does she make warm eye contact and seek you out for comfort and play?

## When a check becomes meaningful
Book a general developmental check if, by around 18–24 months, your toddler is **not babbling or gesturing**, has **very few or no words**, **does not respond to her name or simple instructions**, or shows little interest in connecting with familiar people — across *all* settings, including home. These are reasons to look at communication broadly, not signs of Selective Mutism specifically. If a clear pattern of speaking freely at home but never at nursery persists into the preschool years, *that* is the time to consider Selective Mutism with a clinician.

## The Pinnacle way
At [Pinnacle Blooms Network](/), our first step with a quiet toddler is reassurance and understanding — gently mapping how your child communicates everywhere she goes, not just where she is silent. Where helpful, [speech therapy](https://www.pinnacleblooms.org/top-speech-therapy-center-india-proven-improvement-rate) supports emerging language and confident communication, always at the child's pace. To understand more about this condition as your child grows, see [Selective Mutism](/selective-mutism). A clinical [AbilityScore®](/ask/what-is-the-abilityscore-and-how-is-it-calculated) and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care; nothing here is a diagnosis. Across 70+ centres in 4 states and 4.95 lakh+ families served, our aim is steady, strengths-first progress.

## Trusted sources
Aligned with WHO ICD-11 (6B06 Selective mutism), American Academy of Pediatrics and HealthyChildren.org guidance on toddler language milestones and shyness, and ASHA resources on early communication development.

**Next step —** if you'd simply like reassurance about your toddler's communication, book a gentle developmental screen with our clinical team on WhatsApp at +91 91001 81181, and let's understand your child together.

This is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.

## Sources
- WHO ICD-11: 6B06 Selective mutism: https://icd.who.int/browse11/l-m/en
- AAP HealthyChildren.org: Toddler development: https://www.healthychildren.org/English/ages-stages/toddler/Pages/default.aspx
- ASHA: Early communication development: https://www.asha.org/public/speech/development/communicationdevelopment/

## Connected topics and perspectives
- Conditions: https://pinnacleblooms.org/ask/conditions
- Parent: https://pinnacleblooms.org/ask/lens/stakeholder/parent
- Toddler-18-24: https://pinnacleblooms.org/ask/lens/age/toddler-18-24
- Emotional: https://pinnacleblooms.org/ask/lens/domain/emotional
- Early Signs: https://pinnacleblooms.org/ask/lens/intent/early_signs
- Screen: https://pinnacleblooms.org/ask/lens/lifecycle/screen
- Special Education: https://pinnacleblooms.org/ask/lens/route/special-education
- Early Clarity: https://pinnacleblooms.org/ask/lens/empowerment/early_clarity

## Related question paths

### Understand the subject
- How Selective Mutism Affects a Child's Daily Life: https://pinnacleblooms.org/ask/how-does-selective-mutism-affect-a-child-s-daily-life
- Is Selective Mutism considered a disability?: https://pinnacleblooms.org/ask/is-selective-mutism-considered-a-disability
- Is Selective Mutism Genetic or Hereditary?: https://pinnacleblooms.org/ask/is-selective-mutism-genetic-or-hereditary
- What are common myths about Selective Mutism?: https://pinnacleblooms.org/ask/what-are-common-myths-about-selective-mutism
- What are the types or levels of Selective Mutism?: https://pinnacleblooms.org/ask/what-are-the-types-or-levels-of-selective-mutism
- What Causes Selective Mutism in Children?: https://pinnacleblooms.org/ask/what-causes-selective-mutism-in-children
- What is Selective Mutism?: https://pinnacleblooms.org/ask/what-is-selective-mutism
- What is Selective Mutism in Early Childhood?: https://pinnacleblooms.org/ask/what-is-selective-mutism-and-what-does-it-look-like-in-early-childhood
- What other conditions often occur alongside Selective Mutism?: https://pinnacleblooms.org/ask/what-other-conditions-often-occur-alongside-selective-mutism
- Early Intervention Outcomes for Selective Mutism Under 7: https://pinnacleblooms.org/ask/what-does-current-research-show-about-early-intervention-outcomes-for-selective-mutism-in-children-under-7
- What is Selective Mutism, and what are its ICD-11 features in early childhood?: https://pinnacleblooms.org/ask/what-is-selective-mutism-and-what-are-its-icd-11-features-in-early-childhood
- What is the ICD-11 classification for Selective Mutism?: https://pinnacleblooms.org/ask/what-is-the-icd-11-classification-for-selective-mutism

### Recognise signs & concerns
- Early Signs of Selective Mutism in a 12-to-18-Month-Old: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism-in-a-12-to-18-month-old
- When should I worry that my 18-to-24-month-old might have Selective Mutism?: https://pinnacleblooms.org/ask/when-should-i-worry-that-my-18-to-24-month-old-might-have-selective-mutism
- Early Signs of Selective Mutism in a 2-Year-Old: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism-in-a-2-year-old
- When to Worry About Selective Mutism at 12–18 Months: https://pinnacleblooms.org/ask/when-should-i-worry-that-my-12-to-18-month-old-might-have-selective-mutism
- Early Signs of Selective Mutism at 9–12 Months: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism-in-a-9-to-12-month-old
- Early Signs of Selective Mutism in a 2-Year-Old Boy: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism-in-a-2-year-old-boy
- Can Selective Mutism Be Cured?: https://pinnacleblooms.org/ask/can-selective-mutism-be-cured
- Can Selective Mutism Be Prevented?: https://pinnacleblooms.org/ask/can-selective-mutism-be-prevented
- Do Boys Show Selective Mutism Differently?: https://pinnacleblooms.org/ask/do-boys-show-selective-mutism-differently
- Selective Mutism in Girls: https://pinnacleblooms.org/ask/do-girls-show-selective-mutism-differently
- Should I be worried my child might have Selective Mutism?: https://pinnacleblooms.org/ask/should-i-be-worried-my-child-might-have-selective-mutism
- Early Signs of Selective Mutism: https://pinnacleblooms.org/ask/what-are-the-early-signs-of-selective-mutism

### Explore causes & influences
- Are boys more likely to have selective mutism?: https://pinnacleblooms.org/ask/are-boys-more-likely-to-have-selective-mutism
- Are girls more likely to have Selective Mutism?: https://pinnacleblooms.org/ask/are-girls-more-likely-to-have-selective-mutism
- What Causes Selective Mutism in Young Children?: https://pinnacleblooms.org/ask/what-causes-selective-mutism-in-young-children
- Early Intervention for Selective Mutism: Advancing UNCRPD and the SDGs: https://pinnacleblooms.org/ask/how-does-early-intervention-for-selective-mutism-advance-un-child-rights-uncrpd-and-the-sdgs
- Contributing Factors for Selective Mutism: https://pinnacleblooms.org/ask/what-are-the-known-contributing-factors-for-selective-mutism-in-early-childhood
- Cost-effectiveness of early therapy for Selective Mutism: https://pinnacleblooms.org/ask/what-is-the-cost-effectiveness-of-early-therapy-for-selective-mutism-in-young-children
- What is the prevalence and public-health burden of Selective Mutism among young children in India?: https://pinnacleblooms.org/ask/what-is-the-prevalence-and-public-health-burden-of-selective-mutism-among-young-children-in-india

### Understand assessment
- How AbilityScore Tracks Progress in Selective Mutism: https://pinnacleblooms.org/ask/how-does-abilityscore-track-progress-in-a-child-with-selective-mutism
- How Selective Mutism Is Assessed in a Young Child: https://pinnacleblooms.org/ask/how-is-selective-mutism-assessed-in-a-young-child
- How Is Selective Mutism Assessed in Children Under 7?: https://pinnacleblooms.org/ask/how-is-selective-mutism-assessed-in-children-under-7
- What an AbilityScore of 0–100 Means for a Child with Selective Mutism: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-0-100-mean-for-a-child-with-selective-mutism
- AbilityScore® 100–200 in Selective Mutism: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-100-200-mean-for-a-child-with-selective-mutism
- What does an AbilityScore of 200–300 mean for a child with Selective Mutism?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-200-300-mean-for-a-child-with-selective-mutism
- What an AbilityScore of 300–400 Means in Selective Mutism: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-300-400-mean-for-a-child-with-selective-mutism
- What an AbilityScore® of 400–500 means in Selective Mutism: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-400-500-mean-for-a-child-with-selective-mutism
- What an AbilityScore of 500–600 means for Selective Mutism: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-500-600-mean-for-a-child-with-selective-mutism
- What does an AbilityScore of 600-700 mean for a child with Selective Mutism?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-600-700-mean-for-a-child-with-selective-mutism
- What does an AbilityScore of 700–800 mean for a child with Selective Mutism?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-700-800-mean-for-a-child-with-selective-mutism
- What does an AbilityScore of 800–900 mean for a child with Selective Mutism?: https://pinnacleblooms.org/ask/what-does-an-abilityscore-of-800-900-mean-for-a-child-with-selective-mutism

### Explore therapy & support
- Can a child with Selective Mutism attend a mainstream school?: https://pinnacleblooms.org/ask/can-a-child-with-selective-mutism-attend-a-mainstream-school
- Can a Child with Selective Mutism Attend a Regular School?: https://pinnacleblooms.org/ask/can-a-child-with-selective-mutism-attend-a-regular-school
- Can a Child with Selective Mutism Grow Up to Live Independently?: https://pinnacleblooms.org/ask/can-a-child-with-selective-mutism-grow-up-to-live-independently
- How can we support emotional development in a child with Selective Mutism?: https://pinnacleblooms.org/ask/how-can-we-support-emotional-development-in-a-child-with-selective-mutism
- How Is Selective Mutism Diagnosed in a Child?: https://pinnacleblooms.org/ask/how-is-selective-mutism-diagnosed-in-a-child
- How Therapy Supports a Child with Selective Mutism: https://pinnacleblooms.org/ask/how-is-selective-mutism-supported-through-therapy
- Selective Mutism AbilityScore — what to do next: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-0-100-what-should-we-do-next
- Selective Mutism: AbilityScore 100–200 — What To Do Next: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-100-200-what-should-we-do-next
- Selective Mutism AbilityScore 200–300: Next Steps for Parents: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-200-300-what-should-we-do-next
- Selective Mutism: AbilityScore 300–400 Next Steps: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-300-400-what-should-we-do-next
- Selective Mutism with an AbilityScore of 400–500: what to do next: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-400-500-what-should-we-do-next
- Selective Mutism AbilityScore 500–600: Next Steps: https://pinnacleblooms.org/ask/my-child-with-selective-mutism-has-an-abilityscore-of-500-600-what-should-we-do-next

### At home & in everyday life
- How can I support my child with Selective Mutism at home?: https://pinnacleblooms.org/ask/how-can-i-support-my-child-with-selective-mutism-at-home