Speech Delay Red Flags in Toddlers: 18–24 Month Warning Signs for Parents

Clinically written by: Rajini Darugupally, M.Sc., Speech-Language Pathologist
Experience: 9+ years in child speech and language development
Last updated: April 2026
Reading time: 8 minutes

Worried your 18–24-month-old is not talking as much as expected? This stage is important for words, gestures, understanding, imitation, and early two-word phrases. Some toddlers talk later than others, but certain signs deserve attention.

This guide explains common speech delay red flags between 18 and 24 months, what typical communication may look like, when to speak with a pediatrician or speech therapist, and what you can do at home to support your toddler.

Do not use this checklist to panic or self-diagnose. Use it to notice patterns. One sign alone may not mean a delay, but several signs together, stalled progress, or loss of skills should be discussed with a professional.

Source note: Developmental milestones are general guidance, not a diagnosis. CDC’s 18-month communication milestones include trying to say three or more words besides “mama” or “dada” and following one-step directions without gestures. CDC’s 2-year milestones include saying at least two words together, pointing to things in a book, pointing to body parts, and using more gestures than waving and pointing.

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If your 18–24-month-old is not using many words, not pointing, not imitating, or not combining words yet, a speech therapist can help you understand the next step.

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Why Speech Delay in Toddlers Happens Between 18–24 Months

If you’re wondering why your 18-month-old isn’t talking much or why your toddler seems slower to speak than others, you’re not alone. This stage — between 18 and 24 months — is a critical window for speech and language development. During this time, most toddlers are learning to name objects, ask for things, and express simple needs using words or gestures.

But what happens if those words aren’t coming?

Let’s break it down in a way that’s simple, clear, and helpful — because every parent deserves to feel confident about their child’s communication journey.

The Most Critical Window for Speech Milestones

Between 1.5 to 2 years of age, toddlers typically experience a language explosion — going from saying just a few words to using short phrases like “want juice” or “go park.” Here’s a quick snapshot of what most children are doing during this period:

Age	Many Toddlers May	Ask for Help If…
18 months	Try to say a few words besides “mama” or “dada,” use gestures, and follow simple one-step directions	Your child has no clear words, rarely uses gestures, or does not seem to understand simple directions
24 months	Use two-word phrases like “more milk,” point to named pictures or body parts, and use more gestures	Your child is not combining two words, does not point, or mostly communicates through crying, pulling, or guessing

But remember, children grow at their own pace. A little variation is normal — but big gaps may signal something more.

Normal vs. Delayed Development

So, how do you know if your toddler is just a late talker or if there’s a potential speech delay?

Here’s a simple way to compare:

May Be Normal Variation	May Need Evaluation
Uses gestures, sounds, and some words to communicate	Rarely uses words, gestures, or sounds to communicate
Understands simple directions	Does not seem to understand simple instructions
Imitates sounds, actions, or facial expressions	Rarely imitates sounds, actions, or gestures
Shows steady progress, even if slower than peers	Progress has stalled or skills are lost
Plays, connects, and seeks interaction	Plays, connects, and seeks interaction

The key is not one missed skill. The key is the pattern. If your toddler has several signs in the right column, or if your child loses words, gestures, or social skills they once had, speak with your pediatrician or a speech-language pathologist.

Early Speech Delay Red Flags Between 18 and 24 Months

Speech delay red flags are signs that your toddler may need closer observation or professional support. They do not diagnose your child. They simply help you know when waiting may not be the best plan.

Here are some early warning signs of speech delay between 18–24 months:

• No babbling or very few sounds
• Not saying at least 6–10 words by 18 months
• Doesn’t follow simple directions like “sit down” or “come here”
• Not combining two words by 24 months (like “want toy”)
• Doesn’t point or use gestures to communicate
• Doesn’t imitate sounds or actions
• You’re relying on guesswork to understand their needs

If one or more of these feel familiar, it’s a good idea to explore next steps — and you don’t have to do it alone.

Key Speech Milestones for 18 to 24-Month-Olds

Know what’s typical before spotting what’s not.

When it comes to speech development, knowing what’s typical can help you recognize if your toddler is hitting the right milestones—or might need a little extra support. Many parents ask, “How many words should my toddler say?” or wonder if their 2-year-old is talking enough. This stage, between 18 and 24 months, is full of exciting changes in how your child communicates.

Let’s break it down.

What Most 18-Month-Olds Should Be Saying

By 18 months, toddlers are often:

• Saying 6 to 10 clear words on their own (like “mama,” “ball,” “up”)
• Using gestures like pointing, waving, and nodding
• Babbling in a way that sounds like conversation (“dadada bababa…”)
• Responding to simple questions or directions like “Where’s your shoe?”
• Showing excitement when they hear familiar words (like their name or favorite toy)

Tip: Don’t worry if their speech isn’t perfectly clear—clarity improves with time.

What Most 24-Month-Olds Should Be Able to Say

At 2 years old, most children hit a big language leap. You might notice your toddler:

• Says at least 50 words
• Uses 2-word combinations like “want toy” or “go outside”
• Names everyday objects, body parts, or family members
• Starts to ask for things using words
• Follows two-step directions like “Get your ball and give it to Daddy”

This age is where the “language explosion” really happens. You’ll often see a jump in vocabulary and simple sentence use.

Why Gestures, Babbling, and Imitation Matter

Before spoken words become fluent, toddlers rely on non-verbal communication—and that’s just as important.

• Gestures: Waving “bye-bye,” pointing to what they want, or raising arms to be picked up are early ways of communicating.
• Imitation: Copying your words, sounds, or actions is a sign they’re learning by watching and listening.
• Babbling: Even if they’re not using real words, babbling with rhythm and tone shows they’re practicing speech.

10 Speech Delay Red Flags in Toddlers Between 18 and 24 Months

“Here’s when to take action — without panic.”

Every toddler grows at their own pace, and some kids simply talk a little later than others. But sometimes, delayed talking is more than just a phase. As a parent, you don’t need to panic — but it is helpful to know the clear signs of speech delay in toddlers so you can act early if needed.

Here are 10 important red flags to watch for between 18 and 24 months.

1. Very Few Words by 18 Months

By 18 months, many toddlers try to say a few words besides “mama” or “dada.” If your child has no clear words or very few attempts to use words, it is worth tracking closely and discussing with your pediatrician.

What parents may notice:
Your child may mostly cry, pull your hand, point without sounds, or depend on you guessing what they want.

What to do next:
Start noting the words, sounds, gestures, and signs your child uses. If there is little progress over the next few weeks, speak with a pediatrician or speech therapist.

2. No Two-Word Phrases by 24 Months

By age 2, many toddlers begin combining two words, such as “more milk,” “go out,” or “mama come.” If your child uses only single words or no words by 24 months, it may signal a speech or language delay.

What parents may notice:
Your child may say a few single words but does not combine them to express needs or ideas.

What to do next:
Model short two-word phrases during daily routines, such as “open door,” “more rice,” or “big car.” Do not force repetition. Keep it natural and frequent.

3. Limited Gestures Like Pointing, Waving, or Showing

Gestures are an important part of early communication. Pointing, waving, nodding, reaching, showing, and giving objects help toddlers communicate before and alongside words.

What parents may notice:
Your child may not point to request something, show you toys, wave goodbye, or use body language to share interest.

What to do next:
Model gestures during songs, games, and routines. If gestures remain limited, ask for a developmental or speech-language evaluation.

4. Does Not Follow Simple Directions

Between 18 and 24 months, many toddlers can follow simple directions, especially during familiar routines.

What parents may notice:
Your child may not respond to phrases like “give me the ball,” “come here,” “sit down,” or “bring your shoes.”

What to do next:
First rule out hearing concerns. Then speak with a pediatrician or speech therapist if understanding remains limited.

5. Rarely Imitates Sounds, Words, or Actions

Imitation helps toddlers learn speech, play, gestures, and social routines. A toddler who rarely copies sounds, words, facial expressions, or simple actions may need support.

What parents may notice:
Your child may not copy animal sounds, clapping, waving, simple words, or pretend actions like feeding a doll.

What to do next:
Use playful imitation. Copy your child first, then model one simple sound or action. If imitation remains very limited, seek guidance.

6. Does Not Respond Consistently to Their Name

If your toddler often does not respond when you call their name, especially in quiet situations, it may point to hearing, attention, language, or broader developmental concerns.

What parents may notice:
Your child may seem not to hear you, may not turn toward familiar voices, or may respond only when touched.

What to do next:
Ask your pediatrician about a hearing check and developmental screening.

7. Mostly Communicates Through Crying, Pulling, or Guesswork

Some frustration is normal at this age, but constant communication breakdowns can be a sign that your child needs more support.

What parents may notice:
Your toddler may pull your hand to objects, cry often, scream, or become upset because they cannot express what they want.

What to do next:
Offer simple choices: “milk or water?” “ball or car?” Model the word and accept pointing, looking, or sound attempts as communication.

8. Limited Interest in Social Interaction or Shared Attention

Speech grows through connection. If your child rarely looks toward you to share interest, does not bring objects to show you, or seems uninterested in people, this deserves attention.

What parents may notice:
Your child may play alone most of the time, rarely show things, rarely look back at you during play, or not enjoy simple social games.

What to do next:
Do not jump to conclusions. But if limited social interest appears with speech delay, limited gestures, or poor response to name, ask about developmental screening.

9. Loss of Words, Gestures, or Social Skills

Loss of skills is more urgent than slow progress. If your child used to say words, point, wave, respond, play socially, or imitate and then stopped, do not wait.

What parents may notice:
Your child may stop using words they once said, stop pointing, stop responding to name, or become less socially engaged.

What to do next:
Speak with your pediatrician as soon as possible and ask whether developmental screening or further evaluation is needed.

10. Parent Instinct Says Something Is Not Right

Parents often notice subtle changes before anyone else does. If you feel your child’s communication is not progressing, take that concern seriously.

What parents may notice:
You may feel your child is harder to understand, less responsive, less interactive, or not moving forward like before.

What to do next:
Write down your concerns, track examples for two weeks, and share them with your pediatrician or a speech-language pathologist.

When Speech Delay Needs Faster Attention

Do not wait and watch silently if your toddler:

• loses words, gestures, play skills, or social interest
• does not respond to name consistently
• does not use gestures like pointing, waving, showing, or reaching
• does not seem to understand simple directions
• has no clear words by 18 months
• does not combine two words by 24 months
• seems not to hear you or does not react to sounds
• has feeding, swallowing, or oral-motor difficulties
• has several communication and social concerns together

In these cases, speak with your pediatrician and ask whether your child needs a hearing test, developmental screening, or a speech-language evaluation.

When Should You Be Worried If Your Toddler Isn’t Talking?

“There’s a difference between a late talker and a child with delay.”

It’s a question almost every parent asks at some point:
“Is my toddler’s speech delay something to worry about?”

If your child isn’t talking as much as others their age, it can feel confusing — even stressful. But the good news is, not all late talkers have a developmental delay. Some toddlers just take a little longer to get going with words. The key is knowing what’s within the normal range — and when it’s time to seek help.

What’s Considered a Delay vs. Normal Variation?

Here’s a simple way to understand the difference:

Late Talker (within variation)	Speech Delay (needs evaluation)
Uses gestures, babbles, and understands directions	Rarely gestures, limited or no babbling
Says at least a few single words by 18 months	Says no clear words by 18 months
Tries to imitate sounds and respond to speech	Doesn’t copy sounds or respond to simple language
Making steady progress, even if slower	Progress has stalled or is regressing
Social and playful even with limited words	Struggles with social interaction and communication cues

If your toddler is showing several signs from the right column, it might be time to explore further.

When to Talk to Your Pediatrician or a Speech Therapist

You don’t have to wait until your child is 3 or older to raise concerns. In fact, early support leads to better outcomes. You should consider speaking to a professional if:

• Your child isn’t saying at least 6–10 words by 18 months
• They don’t combine two words by 24 months (e.g., “want milk”)
• They don’t respond to their name or follow basic instructions
• You have ongoing concerns or a gut feeling that something’s not right

Your pediatrician may refer you to a speech-language pathologist (SLP) who can assess whether your child is experiencing a true speech or language delay.

Developmental Screening: What Parents Should Know

Developmental screening is not the same as judging your child. It is a structured way to check whether your toddler may need closer support in speech, language, movement, play, social interaction, or learning.

The American Academy of Pediatrics recommends general developmental screening at 9, 18, and 30 months, and autism-specific screening at 18 and 24 months.

A screening does not automatically mean your child has a diagnosis. It helps parents and professionals decide whether further evaluation or early support is needed.

Ask your pediatrician about developmental screening if your toddler has several red flags, slow progress, or any loss of skills.an even start with informal tools or checklists at home, and follow up with a full evaluation if needed.

What Causes Speech Delay in Toddlers?

“Understanding the root helps guide the right support.”

If you’ve ever found yourself wondering, “Why is my 2-year-old not talking yet?”—you’re not alone. It’s one of the most common concerns parents share, and the answer isn’t always simple. There are many reasons a toddler may not be speaking on time, and understanding the possible causes is the first step toward the right support.

Let’s look at the most common causes of speech delay in toddlers.

1. Hearing Issues

Toddlers learn to speak by hearing sounds clearly. Even mild or temporary hearing loss—due to frequent ear infections, for example—can impact how well your child picks up speech. If your toddler doesn’t seem to respond to voices, turns the TV volume up high, or startles easily, a hearing test may be worth exploring.

2. Autism Spectrum Concerns

Speech delay can sometimes appear along with broader developmental differences, including autism. But speech delay alone does not mean a child has autism.

Parents should look for patterns across communication, gestures, response to name, play, imitation, social interaction, and sensory responses. For example, limited words along with limited pointing, reduced response to name, limited social play, or loss of skills should be discussed with a pediatrician.

If you notice several signs together, ask about developmental screening. Autism-specific screening is commonly recommended at 18 and 24 months.

3. Family History or Multilingual Home

A family history of late talking or speech-language difficulties can increase the chance that a child may also need support. But growing up with more than one language does not cause speech delay.

Multilingual children may use words across different languages, and their total vocabulary should be understood across all the languages they hear and use. For example, if a child says “water” in English and “paani” in Hindi, both count as meaningful words.

If your child is exposed to more than one language and you are worried about speech, do not stop using your home language. Speak with a speech-language pathologist who understands bilingual or multilingual development.

4. Reduced Face-to-Face Interaction

Speech develops through real interaction: listening, turn-taking, imitation, gestures, facial expressions, play, songs, and daily routines.

Screen time does not teach communication in the same way as back-and-forth interaction with a caregiver. The issue is usually not one cartoon or one video call. The concern is when screens replace talking, playing, reading, outdoor movement, and face-to-face connection for long periods.

Try this: Keep meals, playtime, and bedtime screen-light. Use those moments for simple words, songs, choices, and imitation games.

5. Oral-Motor or Neurological Issues

In some cases, a toddler may understand language but struggle to form words due to oral-motor difficulties (trouble moving the tongue or lips) or neurological concerns that affect coordination or processing. These aren’t always obvious at first but can be diagnosed with professional help.

What Parents Can Do at Home to Support Speech Development

You do not need expensive toys or pressure-based teaching to support toddler speech. The best speech-building moments usually happen during normal routines like meals, bath time, dressing, story time, outdoor play, and bedtime.

Focus on connection first. A toddler is more likely to communicate when they feel interested, understood, and not forced.

1. Talk and Narrate Daily Routines

Your everyday routines are full of chances to build language. While dressing your child, you might say:
“Let’s put on your socks—one, two!”
During snack time: “You’re eating a banana. Yum!”

Even if your toddler isn’t responding yet, they’re soaking in every word. This kind of “talking out loud” helps them connect words to actions and objects.

2. Repeat and Expand on What Your Child Says

If your child says “car,” you can gently expand:
“Yes! Red car. The car is going fast!”
This helps your child move from single words to short phrases.

Encourage imitation too—pause and let them try to repeat what you say. Repeating is one of the most effective talking tips for toddlers.

3. Read Books with Simple, Repeating Words

Choose books with clear pictures and repetitive lines like:
“Brown Bear, Brown Bear, what do you see?”
Repetition builds familiarity and confidence.

Point to pictures, name what you see, and ask simple questions:
“Where is the cat?”
Even if your toddler doesn’t answer yet, you’re laying the groundwork for conversation.

4. Limit Screen Time and Encourage Face-to-Face Interaction

Too much screen time can reduce opportunities for real conversation. Try to keep screens off during play or meals, and instead, focus on face-to-face chats. Making eye contact, smiling, and reacting to your child’s sounds all help build their desire to connect—and speak.

5. Play Sound-Based and Naming Games

Simple games make learning fun. Try:

• Animal sounds: “What does a cow say?” “Moo!”
• Name that toy: Hold up a toy and name it clearly: “Ball!” “Car!”
• Where is it?: Hide objects and encourage your toddler to find and name them.

Play-based learning is especially helpful for toddlers with speech delays. It keeps them engaged while naturally introducing new words.

Conclusion

Conclusion

Speech delay red flags between 18 and 24 months do not mean parents should panic. They mean parents should observe carefully and act early when needed.

If your toddler has very few words, does not use gestures, does not imitate, does not follow simple directions, does not combine two words by age 2, or has lost skills they once had, speak with your pediatrician or a speech-language pathologist.

At home, keep communication simple and natural. Talk during routines, read picture books, offer choices, copy your child’s sounds, and model short phrases. With the right guidance, many toddlers can build stronger communication skills step by step.

Frequently Asked Questions:

1. What are the early signs of speech delay in toddlers?

Early signs may include very few words, limited gestures, not pointing or waving, not imitating sounds or actions, not following simple directions, not responding consistently to name, or not combining two words by 24 months. One sign alone may not mean a delay, but several signs together should be discussed with a pediatrician or speech therapist.

2. How many words should my 18-month-old say?

CDC’s current 18-month milestone says many children try to say three or more words besides “mama” or “dada.” Some children may say more. If your child has no clear words, rarely uses gestures, or does not seem to understand simple directions, ask your pediatrician for guidance.

3. Is it normal for my 2-year-old not to talk yet?

By age 2, many children say at least two words together, such as “more milk.” If your 2-year-old is not using words, not combining words, or mostly communicates through crying, pulling, or gestures, a speech-language evaluation may be helpful.

4. Can bilingualism cause speech delay?

No. Using more than one language does not confuse children or cause speech-language delays. If a bilingual or multilingual child has speech concerns, the concern usually appears across languages, and all words across languages should be considered.

5. Can too much screen time delay speech?

Screen time can reduce opportunities for real interaction if it replaces talking, reading, singing, play, and turn-taking. The goal is not guilt. The goal is to increase face-to-face communication during daily routines.

6. When should I take my toddler to a speech therapist?

Consider speaking with a speech therapist if your toddler has very few words by 18 months, no two-word phrases by 24 months, limited gestures, poor imitation, difficulty following directions, frustration while communicating, or loss of words or skills.

7. What happens during a toddler speech evaluation?

A speech therapist observes how your child communicates, understands language, uses gestures, plays, imitates, responds, and interacts. The session usually uses toys, play, parent questions, and simple communication tasks.

8. Can toddlers catch up from speech delay?

Some late talkers catch up, but others need support. The safer approach is to watch progress closely and ask for help early if red flags are present. Early guidance can help parents choose the right support instead of waiting in uncertainty.

9. What can parents do at home to help speech delay?

Talk during routines, read simple picture books, offer choices, use short phrases, copy your child’s sounds, sing action songs, reduce passive screen time, and play face-to-face games that encourage imitation and turn-taking.

10. Is speech delay always a sign of autism?

No. Speech delay alone does not mean autism. But if speech delay appears with limited gestures, reduced response to name, limited social interaction, repetitive behaviors, sensory differences, or loss of skills, ask your pediatrician about developmental screening.

About the Author:

Rajini Darugupally

Written by Rajini Darugupally, M.Sc., Speech-Language Pathologist

Rajini is a passionate and dedicated Speech-Language Pathologist with over 9+ years of experience, specializing in both developmental speech and language disorders in children and rehabilitation in adults. Driven by a desire to empower each individual to find their voice, Rajini brings a wealth of experience and a warm, genuine approach to therapy. Currently, at Wellness Hub, she thrives in a team environment that values innovation, compassion, and achieving results for their clients.