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Signs & concerns
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Signs & concerns
When should a doctor investigate distress with nail cutting?
Transient protest at nail cutting is normal. Investigate when distress is disproportionate and generalises to other grooming, textures or sounds, causes functional interference or self-injury, or co-occurs with developmental concerns. Exclude dermatological pain first. This is a screening trigger, not a diagnosis — early sensory support works best.
Read the answer AnswerWhen should a doctor investigate extreme shyness in a young child?
Shyness is a common, healthy temperament trait; investigate only when reticence is pervasive across settings, persistent beyond an adjustment period, and functionally impairing. Targeted assessment is warranted for selective mutism (speech failure in specific settings ≥1 month) and social anxiety disorder, with a differential covering hearing loss, language disorder and autism spectrum conditions. Behavioural inhibition is a recognised antecedent of later anxiety, so early low-pressure support is preventive.
Read the answer AnswerWhen should a doctor investigate food refusal in a young child?
Food refusal in young children is usually a benign developmental phase. Investigate when it is accompanied by faltering growth, dysphagia or aspiration signs, pain, vomiting, regression, or an extreme nutritionally inadequate restriction. Red-flag presentations such as coughing/wet voice with feeds, food impaction, or airway compromise warrant prompt work-up rather than watchful waiting. A structured feeding and developmental assessment is appropriate where refusal is persistent, severe, or developmentally clustered.
Read the answer AnswerWhen should a doctor investigate food texture aversion in a young child?
Investigate food texture aversion when it moves beyond transient picky eating into functional impairment: refusal of whole texture classes persisting beyond 4–6 weeks, faltering growth, mealtime gagging, choking or vomiting, exclusion of food groups, or aversion clustered with oral-motor, communication or sensory delays. Screen for organic causes (reflux, eosinophilic oesophagitis, allergy, dysphagia) and refer for multidisciplinary feeding assessment when red flags coexist. ARFID (ICD-11 6B83) is the relevant differential. This supports, not replaces, clinical judgement.
Read the answer AnswerWhen should a doctor investigate frequent night waking in a young child?
Frequent night waking in a young child is usually behavioural and developmentally common. A doctor should investigate when waking persists beyond the expected age pattern, is accompanied by snoring or witnessed apnoea (sleep-disordered breathing), suggests nocturnal seizures, co-occurs with failure to thrive, pain, regression or neurodevelopmental concern, or significantly impairs daytime function. A screen-first, history-led approach with directed investigations is appropriate.
Read the answer AnswerWhen should a doctor investigate gagging on food in a young child?
Gagging warrants investigation when it is persistent or worsening, or accompanies airway/aspiration signs (cough, choking, wet voice, recurrent chest infections), faltering growth, painful swallowing or food impaction, or oromotor and developmental concerns. Transient, texture-linked gagging with normal growth, hydration and development can be monitored with graded texture exposure. Suspected aspiration or dysphagia merits SLT-led assessment and instrumental swallow evaluation, with GI/ENT referral for structural or oesophageal causes.
Read the answer AnswerWhen should a doctor investigate hand-flapping?
Isolated, interruptible hand-flapping with otherwise typical development is usually a benign motor stereotypy needing only reassurance and monitoring. Investigate when flapping is frequent, fixed, self-injurious, of new or regressive onset, hard to interrupt, or co-occurs with language, social-communication or motor delays. Flapping with seizure-like stiffening warrants prompt neurology referral. The movement itself is rarely the concern — its company and course direct assessment.
Read the answer AnswerWhen should a doctor investigate head-banging in a young child?
Sleep-related rhythmic head-banging is benign in most children aged 6 months to 3 years and resolves by 3–4 years. Investigate when it causes tissue injury, persists or onsets beyond the typical window, presents as paroxysmal altered-awareness episodes, or co-occurs with developmental delay, regression or neurological signs. Self-injury and atypical features move the presentation from reassurance to structured assessment, with neurological referral prioritised when a seizure phenotype is suspected.
Read the answer AnswerWhen should a doctor investigate hitting others in a young child?
Hitting peaks around 18–36 months and is usually a developmental phase reflecting limited language and impulse control. A doctor should investigate when it is disproportionate, persists beyond early preschool years, escalates, causes harm, occurs across settings, or co-travels with communication delay, regression, sensory dysregulation, suspected pain or seizures, mood disturbance, or safeguarding concern. The task is distinguishing a normal phase from an underlying communication, regulatory, medical or environmental driver — prompt referral where there is risk of harm, suspected medical cause, or regression.
Read the answer AnswerWhen should a doctor investigate intense or unusual fears in a young child?
Childhood fears are usually normal and self-limiting. Investigate when fear is disproportionate to its trigger, persists beyond the expected developmental window, causes functional impairment in sleep, play, feeding or attendance, or is accompanied by developmental delay, regression or somatic features. Paroxysmal, stereotyped or stare-and-stiffen episodes, or abrupt behavioural regression, warrant prompt medical referral rather than watch-and-wait.
Read the answer AnswerWhen should a doctor investigate late talking in a young child?
Investigate late talking when expressive language falls below age expectation alongside any red flag: no babble or gesture by 12 months, no words by 16–18 months, no two-word phrases by 24 months, regression at any age, or a comprehension/social-communication gap. Audiological evaluation is mandatory before reassurance. Isolated expressive delay with intact comprehension and social reciprocity may be monitored briefly with a structured screen — but never with open-ended watchful waiting.
Read the answer AnswerWhen should a doctor investigate limited eye contact in a young child?
Investigate limited eye contact when it is persistent across settings, unexplained by visual, hearing or attentional confounders, and especially when it clusters with other social-communication differences — poor response to name, absent joint attention, no pointing, or language delay. Isolated reduced gaze in an otherwise engaged child is often benign; threshold to refer drops sharply with clustering or any regression. Eye contact alone is neither sensitive nor specific.
Read the answer AnswerWhen should a doctor investigate lining up toys in a young child?
Lining up toys is, in isolation, a normal toddler play behaviour and not a disorder marker. Investigate when it becomes rigid, distress-provoking on interruption, and replaces functional or imaginative play — particularly when it co-occurs with social-communication differences such as reduced joint attention, delayed pointing, poor response to name, atypical eye contact or language delay. Treat lining-up as one data point in the broader developmental picture and screen, rather than reassure-and-discharge, when flags cluster.
Read the answer AnswerWhen should a doctor investigate low frustration tolerance in a young child?
Low frustration tolerance is normative in toddlers as regulation matures. Investigate when frustration is disproportionate, pervasive across settings, escalating over months, causing functional impairment or safety risk, or co-occurring with red flags in language, attention, social communication, sleep or motor function. Initial work-up covers developmental history, hearing and language review, sleep appraisal and ABC pattern observation, escalating to multidisciplinary assessment where flags cluster. Frustration is a symptom for differentiation, not a diagnosis.
Read the answer AnswerWhen should a doctor investigate meltdowns in a young child?
Meltdowns in children aged about 1–4 are usually developmentally typical, reflecting immature regulation and language. A doctor should investigate when episodes are disproportionately frequent, intense or prolonged for age, persist beyond the preschool years, cause injury, or co-occur with developmental, communication, sensory, sleep or medical red flags. The decision rests on pattern and functional impact, not the presence of meltdowns alone, and medical mimics such as seizures, pain or sleep disorder should be excluded first.
Read the answer AnswerWhen should a doctor investigate language mixing in a young child?
Mixing languages (code-switching) is a normal, expected feature of bilingual acquisition and is not itself a disorder. A doctor should investigate only when mixing accompanies genuine delay across BOTH/all of the child's languages — low total conceptual vocabulary, weak comprehension, regression, or reduced communicative intent — assessed by pooling all languages rather than judging any one in isolation.
Read the answer AnswerWhen should a doctor investigate nightmares and night terrors in a young child?
Nightmares and night terrors are common, benign and self-limiting in young children, peaking around 3–8 years. Investigate when episodes are stereotyped, cluster several times nightly, cause injury or daytime impairment, suggest nocturnal seizures or obstructive sleep apnoea, follow trauma, or present atypically by age or trajectory. Most cases need only history, reassurance and sleep-hygiene optimisation; reserve polysomnography for suspected OSA and video-EEG where semiology suggests seizure.
Read the answer AnswerWhen should a doctor investigate not following instructions in a young child?
Occasional non-compliance is developmentally typical in young children. A clinician should investigate when failure to follow instructions is persistent, pervasive across settings and disproportionate for age, or when it co-occurs with limited receptive language, poor joint attention, absent response to name, possible hearing loss or regression. The key reframe is 'won't' versus 'can't' — rule out hearing, receptive-language and broader developmental causes before attributing behaviour to volition, and refer for audiology plus speech-language and developmental evaluation accordingly.
Read the answer AnswerWhen to investigate a young child not playing with peers
Solitary and parallel play are normal through ~24 months, and selective shyness is common in preschoolers. Investigate when reduced peer engagement is persistent across settings, disproportionate to developmental age, co-travels with language delay, atypical eye contact, reduced joint attention or repetitive behaviours, or represents a regression. Isolated, context-specific shyness in an otherwise on-track child can be monitored. Concern clustering with communication or behavioural markers warrants developmental-behavioural assessment and hearing review rather than watchful waiting.
Read the answer AnswerWhen should a doctor investigate not pointing to show things in a young child?
Investigate absent pointing-to-share when declarative (protodeclarative) pointing is not present by around 18 months and shows no sign of emerging, especially when it clusters with poor gaze-following, no response to name, limited shared eye contact or absent words. Always confirm hearing first. A single missing gesture warrants monitoring; clustering with other joint-attention or language flags, or any regression, warrants prompt referral for formal developmental and autism-specific screening using validated tools on the AAP surveillance schedule.
Read the answer AnswerWhen should a doctor investigate not responding to name in a young child?
Investigate persistent failure to respond to name when it is consistent across settings, present beyond about 12 months, and accompanied by other social-communication differences such as reduced eye contact, absent joint attention or pointing, or language delay. Always exclude hearing loss first. An isolated, occasional non-response in an otherwise socially engaged child is usually typical — the threshold for formal developmental screening and referral is the converging pattern, not a single missed call.
Read the answer AnswerWhen should a doctor investigate mouth-stuffing in a young child?
Mouth-stuffing is common in toddlers learning to self-feed and usually resolves with maturing oral-motor control. Investigate when it persists past about 3 years, causes choking, gagging or suspected aspiration, accompanies reduced oral awareness, drooling or texture aversion, or travels with feeding, speech or developmental concerns. Treat any airway event as urgent. This is a screening decision, not a diagnosis.
Read the answer AnswerWhen should a doctor investigate picky eating in a young child?
Picky eating is usually a normal, self-limiting phase. Investigate when there is growth faltering, nutritional deficiency, oromotor or swallowing signs, ARFID features, or feeding restriction alongside developmental red flags. A thriving, variable eater needs responsive-feeding guidance, not formal work-up — the key distinction is everyday food fussiness versus Avoidant/Restrictive Food Intake Disorder.
Read the answer AnswerWhen should a doctor investigate echolalia in a young child?
Echolalia is developmentally normal between ~18 and 30 months as imitation scaffolds language. Investigate when it persists beyond 30–36 months as the dominant communication mode, fails to give way to generative speech, or co-occurs with social-communication red flags, regression or other delays. Exclude hearing loss first. Echolalia is a symptom, not a diagnosis — its meaning is read in context, and early referral is low-risk and high-yield.
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