Child Losing Speech or Language Regression
The short answer
Losing words or language skills that your child previously had - known as language regression - is always worth taking seriously. While some temporary "quiet periods" can occur when a toddler is focused on a new skill like walking, true loss of words (especially multiple words over weeks) should be evaluated promptly. About 25-30% of children later diagnosed with autism experience some form of language regression.
Parents everywhere have the same worry. You are doing the right thing by looking into it.
By Age
What to expect by age
12-18 months
Some parents notice that a baby who was saying "mama" or "dada" seems to stop for a while. A brief pause in word use around the time a baby starts walking is not uncommon - their brain is busy mastering a huge motor skill. However, loss of multiple words, especially combined with decreasing social engagement (less eye contact, less interest in people), is different and warrants evaluation.
18-24 months
This is the age window where language regression is most commonly noticed by parents. If your toddler had 10-20 words and now uses only a few, or if they've stopped attempting to communicate altogether, don't wait - request an evaluation. The earlier regression is identified, the earlier supportive therapies can begin. A comprehensive evaluation will typically include hearing testing, developmental assessment, and often autism screening.
2-3 years
Language regression at this age - losing phrases or sentences previously used, or shifting from spontaneous speech to only echolalia - should always be evaluated. At this age, regression can sometimes be associated with a rare condition called Landau-Kleffner syndrome (acquired epileptic aphasia), which is treatable. An EEG may be recommended alongside developmental evaluation.
3+ years
Language regression in a child over 3 who was previously speaking in sentences is uncommon and should be evaluated urgently. Causes can include neurological conditions, hearing loss (which can develop at any age), severe emotional stress, or selective mutism. Your pediatrician will likely refer for a comprehensive workup.
What Should You Do?
When to take action
- Your baby briefly stopped saying a word or two during a period of intense motor development (like learning to walk) but the words came back within a week or two.
- Your toddler uses different words on different days - rotating through their vocabulary is normal and doesn't count as regression.
- Your toddler stops using a word because they've replaced it with a better version (stopped saying "ba" for ball because they now say "ball").
- Your child has clearly lost words they were using consistently - they used to say 5+ words and now use fewer.
- Your child's communication attempts have decreased - they used to point and babble and now do less of both.
- Your child seems less interested in social interaction than they used to be - less eye contact, less sharing of enjoyment.
- Other family members or caregivers have independently noticed that your child seems to be talking less.
- Your child has lost multiple words or phrases over a period of weeks and shows decreased social engagement - request a comprehensive developmental evaluation promptly.
- Your child's language regression is accompanied by new unusual behaviors - repetitive movements, extreme reactions to sensory input, or loss of other skills like self-feeding.
- Your child experiences sudden language loss after a period of illness, seizure, or head injury - seek medical evaluation immediately.
Sources
Related Resources
Trust your instincts. If something feels wrong, reach out to your pediatrician.
Worrying about your baby means you care. That is a good thing.
Related Speech Concerns
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.
Baby Failed Newborn Hearing Screen - What Now?
Failing a newborn hearing screen does not necessarily mean your baby has hearing loss. Many babies who fail the initial screen pass on follow-up testing. However, it is critical to complete follow-up testing by 3 months of age. If hearing loss is confirmed, early intervention by 6 months of age leads to significantly better language outcomes.
Baby Using Jargon but No Real Words
Jargon babbling, which sounds like your baby is having a conversation in a made-up language, typically appears between 10 and 14 months and is a positive sign that your baby is learning the rhythm and melody of speech. Real words usually emerge from jargon over the following months. If no real words appear by 16 to 18 months, a speech evaluation may be helpful.
My Baby Is Losing Words or Skills
If your child was consistently using words and has truly stopped, this is something to act on promptly. Regression - the genuine loss of skills a child previously had - is different from a normal plateau or a toddler being too busy to talk, and it always warrants a conversation with your pediatrician sooner rather than later.