Speech & Communication

Toddler Has Multiple Speech Sound Errors

Medically reviewed by Dr. Emily Torres, PhD, CCC-SLP · Pediatric Speech-Language Pathologist

Content reviewed against published ASHA, AAP, NIH guidelines

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Speech and communication milestones vary widely, and worries about toddler has multiple speech sound errors, here is what you need to know.

The short answer

A speech sound disorder involves difficulty producing speech sounds correctly, making a child harder to understand than expected for their age. While individual sound errors are common in toddlers, having many sound errors that significantly reduce intelligibility may indicate a speech sound disorder that benefits from speech therapy. Early evaluation and treatment lead to the best outcomes.

Key takeaways

  • A speech sound disorder involves difficulty producing speech sounds correctly, making a child harder to understand than expected for their age. While individual sound errors are common in toddlers, having many sound errors that significantly reduce intelligibility may indicate a speech sound disorder that benefits from speech therapy. Early evaluation and treatment lead to the best outcomes.
  • Usually normal when: Your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds
  • Call your doctor if: Your child was speaking clearly and has developed multiple new sound errors
  • Varies by age — see the age-by-age breakdown below

Parents everywhere have the same worry. You are doing the right thing by looking into it.

What Parents Should Know

According to ASHA, AAP, NIH guidelines, a speech sound disorder involves difficulty producing speech sounds correctly, making a child harder to understand than expected for their age. While individual sound errors are common in toddlers, having many sound errors that significantly reduce intelligibility may indicate a speech sound disorder that benefits from speech therapy. Early evaluation and treatment lead to the best outcomes. At 18-24 months, many sound errors are normal at this age. Toddlers have a limited set of consonants they can produce correctly, typically P, B, M, T, D, N, and sometimes H and W. Other sounds are substituted or omitted, which is expected. It is generally considered normal when your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds. However, you should contact your pediatrician promptly if your child was speaking clearly and has developed multiple new sound errors.

Sources: [1], [2], [3]

Normal vs. Concerning

Usually Normal
Worth Discussing
Your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds
Your child was speaking clearly and has developed multiple new sound errors
Your toddler's sound errors follow typical developmental patterns like fronting, stopping, and cluster reduction
Your child is nearly unintelligible and is becoming frustrated, withdrawn, or aggressive due to not being understood
Your toddler's speech clarity is improving over time even if errors are still present
Your child has so many sound errors that you often cannot understand what they are saying
Your toddler is understandable most of the time to familiar listeners despite some errors
Your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N

By Age

What to expect by age

18-24 months

Many sound errors are normal at this age. Toddlers have a limited set of consonants they can produce correctly, typically P, B, M, T, D, N, and sometimes H and W. Other sounds are substituted or omitted, which is expected.

24-36 months

Sound errors are still common but intelligibility should be increasing. By age 3, parents should understand about 75% of what their child says. If your child has so many sound errors that even you struggle to understand them, a speech evaluation is worthwhile.

3-4 years

Most early-developing sounds should be correct. Having multiple persistent errors beyond age-appropriate phonological processes may indicate a speech sound disorder. A speech-language pathologist can assess which errors are developmental versus disordered.

4-5 years

Most speech sounds should be correctly produced by this age, with possible exceptions for R, TH, and some blends. Multiple errors affecting intelligibility warrant speech therapy. Treatment at this age is typically very effective.

5-6 years

Only a few later-developing sounds should still be challenging. If your child has multiple sound errors, speech therapy before school entry helps prevent impacts on reading, writing, and social confidence.

What to Tell Your Pediatrician

  • Describe when you first noticed toddler has multiple speech sound errors and how it has changed over time.
  • Note your baby's current age and which age-specific patterns you are seeing.
  • Mention if your child has so many sound errors that you often cannot understand what they are saying.
  • Mention if your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N.
  • Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
  • Bring a list of any questions or observations you want to discuss at the appointment.

What Should You Do?

When to take action

Probably normal when...
  • Your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds
  • Your toddler's sound errors follow typical developmental patterns like fronting, stopping, and cluster reduction
  • Your toddler's speech clarity is improving over time even if errors are still present
  • Your toddler is understandable most of the time to familiar listeners despite some errors
Mention at your next visit when...
  • Your child has so many sound errors that you often cannot understand what they are saying
  • Your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N
  • Your child's speech clarity has not improved over the past 6 months
Act now when...
  • Your child was speaking clearly and has developed multiple new sound errors
  • Your child is nearly unintelligible and is becoming frustrated, withdrawn, or aggressive due to not being understood

What You Can Do at Home

  • Keep track of when you notice toddler has multiple speech sound errors — noting the time of day, duration, and any triggers can help your pediatrician.
  • Remember that your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds — this is generally within the range of normal.
  • At 18-24 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
  • Talk, read, and sing to your baby frequently. Narrate daily activities to build language exposure.
  • While monitoring at home, seek immediate care if your child was speaking clearly and has developed multiple new sound errors.

My Child's Speech Is Hard to Understand (Articulation)

Speech clarity improves gradually: strangers typically understand about 50% of a 2-year-old's speech, 75% at age 3, and nearly 100% by age 4. If you can understand your child but others can't, that's often normal - you're an expert in your child's speech patterns. But if even you struggle to understand your child by age 2-2.5, or if strangers can't understand most of what your 3-year-old says, a speech evaluation is a good idea.

Toddler Is Hard to Understand

Speech intelligibility increases gradually: parents typically understand about 50% of a 2-year-old's speech, 75% by age 3, and nearly 100% by age 4. Strangers understand less than familiar listeners. If your toddler is significantly harder to understand than these benchmarks, or if they are becoming frustrated by not being understood, a speech evaluation may help.

Toddler's Sound Pattern Errors Not Resolving

Phonological processes are normal sound pattern simplifications that young children use as they learn to talk. For example, saying "goggy" for "doggy" (fronting) or "poon" for "spoon" (cluster reduction). These patterns should gradually disappear by specific ages. If patterns persist beyond their expected resolution age, a speech-language evaluation is recommended.

Milestone

Milestone Checklists by Age

Track your baby's developmental milestones from birth to 5 years with age-specific checklists.

Milestone

Month-by-Month Development

Detailed monthly development guides from birth through 24 months.

Guide

When to Call the Doctor

General guide on when to call the pediatrician, visit urgent care, or go to the ER.

Frequently asked questions

Is toddler has multiple speech sound errors normal?
A speech sound disorder involves difficulty producing speech sounds correctly, making a child harder to understand than expected for their age. While individual sound errors are common in toddlers, having many sound errors that significantly reduce intelligibility may indicate a speech sound disorder that benefits from speech therapy. Early evaluation and treatment lead to the best outcomes.
When should I call the doctor about toddler has multiple speech sound errors?
Your child was speaking clearly and has developed multiple new sound errors Your child is nearly unintelligible and is becoming frustrated, withdrawn, or aggressive due to not being understood
When is toddler has multiple speech sound errors normal?
Your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds Your toddler's sound errors follow typical developmental patterns like fronting, stopping, and cluster reduction Your toddler's speech clarity is improving over time even if errors are still present
What causes toddler has multiple speech sound errors?
A speech sound disorder involves difficulty producing speech sounds correctly, making a child harder to understand than expected for their age. While individual sound errors are common in toddlers, having many sound errors that significantly reduce intelligibility may indicate a speech sound disorder that benefits from speech therapy. Early evaluation and treatment lead to the best outcomes. Common explanations include: Your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds. Your toddler's sound errors follow typical developmental patterns like fronting, stopping, and cluster reduction.
What should I mention to my pediatrician about toddler has multiple speech sound errors?
You should mention toddler has multiple speech sound errors at your next visit if: Your child has so many sound errors that you often cannot understand what they are saying. Your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N. Your child's speech clarity has not improved over the past 6 months.
Is toddler has multiple speech sound errors normal at 18-24 months?
Many sound errors are normal at this age. Toddlers have a limited set of consonants they can produce correctly, typically P, B, M, T, D, N, and sometimes H and W. Other sounds are substituted or omitted, which is expected.
Is toddler has multiple speech sound errors normal at 24-36 months?
Sound errors are still common but intelligibility should be increasing. By age 3, parents should understand about 75% of what their child says. If your child has so many sound errors that even you struggle to understand them, a speech evaluation is worthwhile.
Should I go to the ER for toddler has multiple speech sound errors?
Seek emergency care if your child was speaking clearly and has developed multiple new sound errors, or if your child is nearly unintelligible and is becoming frustrated, withdrawn, or aggressive due to not being understood. When in doubt, call your pediatrician's after-hours line for guidance.
Does toddler has multiple speech sound errors go away on its own?
In many cases, toddler has multiple speech sound errors resolves on its own, especially when your toddler is under 3 and has errors on later-developing sounds while correctly producing early sounds. By 5-6 years, only a few later-developing sounds should still be challenging. If your child has multiple sound errors, speech therapy before school entry helps prevent impacts on reading, writing, and social confidence.
ASHAAAPNIH

References

  1. [1]American Speech-Language-Hearing Association. Speech Sound Disorders: Articulation and Phonology. ASHA
  2. [2]American Academy of Pediatrics. Speech and Language Delays and Disorders. HealthyChildren.org. AAP
  3. [3]National Institute on Deafness and Other Communication Disorders. Speech and Language Developmental Milestones. NIH

Doctor Visit Checklist

Bring this checklist to your next pediatrician visit to discuss Toddler Has Multiple Speech Sound Errors.

Things to mention

  • Describe when you first noticed toddler has multiple speech sound errors and how it has changed over time.
  • Note your baby's current age and which age-specific patterns you are seeing.
  • Mention if your child has so many sound errors that you often cannot understand what they are saying.
  • Mention if your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N.
  • Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
  • Bring a list of any questions or observations you want to discuss at the appointment.

Observations to share

  • Your child has so many sound errors that you often cannot understand what they are saying
  • Your child is over 3 and still has errors on early-developing sounds like P, B, M, T, D, and N
  • Your child's speech clarity has not improved over the past 6 months

Urgent signs to report immediately

  • Your child was speaking clearly and has developed multiple new sound errors
  • Your child is nearly unintelligible and is becoming frustrated, withdrawn, or aggressive due to not being understood

My notes

From ismybabyalright.com — free, evidence-based baby health guides

All content follows our editorial policy and is reviewed against published clinical guidelines.

2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members

Related Resources

Milestone ChecklistsEarly Intervention DirectoryDevelopmental ActivitiesBaby Sign Language GuideBaby Tracker

Bottom line

Most cases of toddler has multiple speech sound errors are normal. Talk to your pediatrician if your child was speaking clearly and has developed multiple new sound errors.

Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.

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Related Speech Concerns

My Child's Speech Is Hard to Understand (Articulation)

Speech clarity improves gradually: strangers typically understand about 50% of a 2-year-old's speech, 75% at age 3, and nearly 100% by age 4. If you can understand your child but others can't, that's often normal - you're an expert in your child's speech patterns. But if even you struggle to understand your child by age 2-2.5, or if strangers can't understand most of what your 3-year-old says, a speech evaluation is a good idea.

Toddler Is Hard to Understand

Speech intelligibility increases gradually: parents typically understand about 50% of a 2-year-old's speech, 75% by age 3, and nearly 100% by age 4. Strangers understand less than familiar listeners. If your toddler is significantly harder to understand than these benchmarks, or if they are becoming frustrated by not being understood, a speech evaluation may help.

Toddler's Sound Pattern Errors Not Resolving

Phonological processes are normal sound pattern simplifications that young children use as they learn to talk. For example, saying "goggy" for "doggy" (fronting) or "poon" for "spoon" (cluster reduction). These patterns should gradually disappear by specific ages. If patterns persist beyond their expected resolution age, a speech-language evaluation is recommended.

Accent vs Speech Disorder in Bilingual Toddlers

When toddlers grow up hearing more than one language, they naturally blend sounds, patterns, and accents from both languages. This is normal and healthy, not a speech disorder. A bilingual child may pronounce some sounds differently than monolingual peers because they are learning the sound systems of two languages simultaneously. True speech disorders affect both languages equally, while accent influence appears only in specific sounds borrowed from one language to another.

Ear Fluid Affecting Baby's Speech Development

Chronic or recurrent middle ear fluid (otitis media with effusion) can temporarily reduce hearing by 15 to 40 decibels, which is like hearing through water. During critical periods of language learning, this muffled hearing can impact speech and language development. If your baby has frequent ear infections or persistent fluid, discuss the potential speech impact with your pediatrician.

Will Ear Tubes Help My Child's Speech?

Ear tubes (tympanostomy tubes) can restore normal hearing by draining persistent fluid from the middle ear. Many children show speech and language improvement within weeks to months after tube placement, particularly if hearing loss from fluid was contributing to their speech delay. However, ear tubes alone may not resolve all speech delays, and some children benefit from speech therapy alongside tube placement.