Prevention & care
Infant crying and colic: expected patterns, illness clues, feeding checks, safe coping and remedy evidence
On this page
Colic describes repeated, prolonged crying in an otherwise healthy young baby without an obvious explanation. It commonly improves by three to four months. The label cannot establish that a crying baby is well.[1]
Do not assume a change in crying is colic
Young infants can be seriously ill with normal or low temperatures. Poor feeding, reduced urine, unusual sleepiness or a sudden persistent cry deserve prompt assessment. An online crying checklist cannot exclude infection, injury or a surgical problem.[4]
Comfort measures must not delay assessment when the baby appears unwell or the crying changes suddenly.[4]
| What you notice | What to do |
|---|---|
| Breathing difficulty, blue/grey colour, unresponsiveness, floppiness, difficulty waking, seizure or a rash that does not fade under pressure | Get emergency help now.[4] |
| Weak, high-pitched or markedly different cry | Seek emergency assessment now.[1] |
| Under three months, temperature 38°C or higher | Seek urgent medical assessment now.[5] |
| Green/yellow-green vomit, or progressively forceful vomiting in a baby under two months | Urgent hospital assessment is needed; these can signal conditions other than reflux.[6] |
| Poor feeding, fewer wet nappies, unusual drowsiness, injury concerns or sudden persistent crying | Arrange prompt medical assessment; escalate immediately if the baby appears seriously unwell.[4] |
Crying changes with development
Crying often peaks around six to eight weeks, can cluster in the evening and may resist soothing, then generally eases by three to four months. Individual variation is wide. The term colic can misleadingly suggest a proven abdominal cause; the Royal Children’s Hospital emphasizes assessment of the whole infant and family.[3]
An hour count is a description, not a safety test
NHS describes a possible colic pattern as more than three hours of crying a day on three days a week for at least one week in an otherwise healthy baby. Older research uses different duration criteria. Do not wait to meet a research definition before asking for help.[1]
Crying around feeds calls for a feeding assessment
Assessment considers feeding effectiveness, growth, development and family circumstances. A trained professional can observe latch and milk transfer or review bottle feeding. Poor growth or feeding aversion needs attention. Crying alone does not identify low milk supply, allergy or a need for a different bottle, formula or procedure.[3]
Try a few manageable comfort measures
Check hunger, a wet nappy, temperature and tiredness. Holding, gentle rocking, quiet background sound or a warm bath may help; responses differ. Too much stimulation can also keep a baby unsettled. Comfort remains worthwhile when it does not stop every crying episode.[2]
Spit-up and acid-related disease need different assessments
Effortless spit-up is common in well infants. NICE advises against routinely diagnosing or treating reflux from distressed behaviour alone without visible regurgitation. It also advises against acid-suppressing medicines for isolated regurgitation. Regurgitation together with feeding difficulty, marked distress or poor growth needs individualized assessment; this is not a reason to start reflux medicine for every crying baby.[6]
Make a safe pause part of the coping plan
If frustration is rising, place the baby safely in their cot, step away briefly, calm yourself and return to check them; NHS gives ten minutes as an example. Ask a trusted adult to take over when possible. Never shake a baby. Share this plan with everyone who provides care.[2]
Use a clear, firm, flat infant sleep surface and place the baby on their back.[3]
Ask for professional support when distress or isolation is becoming hard to manage. Immediate concerns about either person’s safety need urgent help.[3]
Prepare useful information for follow-up
A short record of crying times, relation to feeds and what happened can help a clinician assess patterns and help the family plan support. Recording is optional, not another performance target.[2]
Request review if crying remains worrying, coping is difficult, growth is poor or symptoms continue beyond four months. Persistent symptoms warrant reassessment rather than automatically renewing the colic label.[1]
Evidence & uncertainty
Improvement after starting a remedy does not establish that it worked: crying declined in both arms of a placebo-controlled probiotic trial. Comparison groups, feeding type, the exact product and meaningful family outcomes all affect interpretation.[9]
Selected-source overview · Independent review pendingPublished questions
When does crying usually peak and ease?
Selected-source overview · Independent review pending. Read the evidence context.
It often peaks at six to eight weeks and eases by three to four months, with substantial individual variation.[3]
Evidence behind this answer
- Unsettled or crying babies
pediatric clinical practice guideline · 2025-10
Original guideline body and tables read through Firecrawl after web-open failures; retrieval cache dated 2026-10-20. Guideline dated October 2025. · Background; assessment; feeding interventions; practical strategies; October 2025 update
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Must I wait until crying meets the colic hour rule?
Selected-source overview · Independent review pending. Read the evidence context.
No. Hour-based definitions describe a pattern in an otherwise well baby. Seek help whenever symptoms or coping are concerning.[1]
Evidence behind this answer
- Colic
official patient guidance · 2022
Original official page read on 2026-10-20; displayed review date is 2022-04-26 and scheduled 2025 review is overdue. No later review inferred. · Definition, expected duration, urgent abnormal cry, treatment cautions and requests for help
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Can a crying baby be ill without a fever?
Selected-source overview · Independent review pending. Read the evidence context.
Yes. Young infants may have normal or low temperatures during serious illness. Poor feeding, reduced urine, unusual sleepiness or sudden persistent crying needs prompt assessment.[4]
Evidence behind this answer
- Recognition of the seriously unwell neonate and young infant
pediatric clinical practice guideline · 2025-05
Original guideline body and examination tables read through Firecrawl; page says updated May 2025. Used for recognition and escalation, not home diagnostic thresholds. · Key points, history, examination and prompt assessment; May 2025 update
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Does crying prove my baby needs different milk?
Selected-source overview · Independent review pending. Read the evidence context.
No. Review feeding effectiveness and growth. Crying alone cannot identify low supply, milk allergy or the need for a formula change.[3]
Evidence behind this answer
- Unsettled or crying babies
pediatric clinical practice guideline · 2025-10
Original guideline body and tables read through Firecrawl after web-open failures; retrieval cache dated 2026-10-20. Guideline dated October 2025. · Background; assessment; feeding interventions; practical strategies; October 2025 update
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
What if cuddling or rocking does not stop the crying?
Selected-source overview · Independent review pending. Read the evidence context.
Responses vary. Check basic needs, try gentle comfort and seek help when concerned. Persistent crying does not establish caregiver failure.[2]
Evidence behind this answer
- Soothing a crying baby
official patient guidance · 2026
Original official page read, including 2026-04-22 review date. Contact numbers on the original are intentionally not reproduced. · Comfort measures, crying diary, caregiver break and never-shake advice
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Should crying and back arching automatically mean reflux medicine?
Selected-source overview · Independent review pending. Read the evidence context.
No. Distressed behaviour alone does not establish reflux disease. Feeding difficulty, regurgitation and growth need assessment before a treatment decision.[6]
Evidence behind this answer
- Gastro-oesophageal reflux disease in children and young people: diagnosis and management (NG1)
official clinical guideline · 2019-10-09
Original recommendation chapter read through Firecrawl after a 403 from web-open; retrieval cache dated 2026-10-19. Header verifies publication 2015-01-14 and update 2019-10-09. · 1.1.1–1.1.6; table 1; 1.1.16 and 1.1.19; 1.3.1–1.3.2
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Should I stop dairy or switch formula for colic?
Selected-source overview · Independent review pending. Read the evidence context.
A review could not recommend routine dietary changes for colic. Suspected allergy needs a separate assessment and a supervised nutrition and review plan.[8]
Evidence behind this answer
- Dietary modifications for infantile colic
systematic review · 2018
Original review summary and complete abstract read; full review tables were not inspected. Original web page displays 2018-10-11 publication, while its journal citation identifies issue 10, 2018. · Original Cochrane plain-language summary and complete abstract; search July 2018 and authors’ conclusions
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Are gas drops or herbal colic remedies proven to help?
Selected-source overview · Independent review pending. Read the evidence context.
The Cochrane review did not support simethicone and could not recommend evaluated herbal or other pain-relieving agents. Product availability and a natural label do not establish benefit or safety.[7]
Evidence behind this answer
- Pain-relieving agents for infantile colic
systematic review · 2016
Original review summary and complete abstract read; full review tables were not inspected. Evidence search dates and small-study limitations remain visible. · Original Cochrane plain-language summary and complete abstract; authors’ conclusions
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Is any probiotic a reliable colic treatment?
Selected-source overview · Independent review pending. Read the evidence context.
No. Evidence relates to particular strains and feeding groups. The 2018 synthesis supported L. reuteri DSM 17938 in breastfed infants but could not establish its role in formula-fed infants. Discuss suitability with the baby’s clinician.[10]
Evidence behind this answer
- Lactobacillus reuteri to Treat Infant Colic: A Meta-analysis
individual participant data meta analysis · 2018
Original publisher abstract read in full through Firecrawl. Full article is behind an access wall and was not inspected. Claims are restricted to abstract-level findings; the BMJ trial is included in this synthesis, so these are not independent confirmations. · Complete original publisher abstract; four trials, feeding subgroup, limitations and disclosure statements
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Should I try spinal manipulation or cranial osteopathy?
Selected-source overview · Independent review pending. Read the evidence context.
NHS advises against these for colic: evidence of benefit is limited and they may hurt the baby.[1]
Evidence behind this answer
- Colic
official patient guidance · 2022
Original official page read on 2026-10-20; displayed review date is 2022-04-26 and scheduled 2025 review is overdue. No later review inferred. · Definition, expected duration, urgent abnormal cry, treatment cautions and requests for help
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
What should I do when I feel I cannot cope?
Selected-source overview · Independent review pending. Read the evidence context.
Put the baby safely in their cot, step away briefly, calm down and return to check. Ask someone trusted for help. Never shake them.[2]
Evidence behind this answer
- Soothing a crying baby
official patient guidance · 2026
Original official page read, including 2026-04-22 review date. Contact numbers on the original are intentionally not reproduced. · Comfort measures, crying diary, caregiver break and never-shake advice
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Does crying education prove abusive head trauma is prevented?
Selected-source overview · Independent review pending. Read the evidence context.
No. The Canadian trial improved some knowledge and reported behaviours; it could not establish a reduction in actual injury incidence.[11]
Evidence behind this answer
- Do educational materials change knowledge and behaviour about crying and shaken baby syndrome? A randomized controlled trial
randomized controlled trial · 2009
Original full text read in PMC, including limitations and conclusion. Journal issue is 2009-03-31; footnote reports online publication 2009-03-02. · Methods; outcomes; results; limitations; conclusion explicitly distinguishing behavior from injury incidence
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Does improvement after starting a remedy show that it worked?
Selected-source overview · Independent review pending. Read the evidence context.
Not by itself. Crying decreased in both trial groups as time passed. A placebo comparison helps separate treatment effects from improvement with age.[9]
Evidence behind this answer
- Treating infant colic with the probiotic Lactobacillus reuteri: double blind, placebo controlled randomised trial
randomized placebo controlled trial · 2014
Original full article read through Firecrawl after web-open returned 403. Read primary results and limitations separately; no reliance on search snippet alone. · Methods; participant flow; primary outcome; feeding subgroups; discussion and limitations
This answer summarizes selected sources. An independent appraisal of the complete evidence has not been completed.
Routine dietary changes have weak supporting evidence
A Cochrane review searching through July 2018 included 15 trials involving 1,121 infants. Studies of maternal exclusion diets, modified formulas and other dietary changes were small, heterogeneous and at high risk of bias; evidence was very low certainty. Benefits were inconsistent, and family quality of life was not reported. The review could not recommend a dietary intervention for colic. This does not settle treatment for a baby with a separately suspected food allergy. Ask the clinician to explain the indication and review plan before restricting a breastfeeding parent’s diet or changing formula.[8]
Drops, herbs and “natural” claims need the same scrutiny
Cochrane’s 2016 review found no evidence supporting simethicone for colic. Evidence for herbal preparations, sugar and antispasmodic drugs was sparse, biased or inconsistent; the authors could not recommend these agents. Small trials with no reported serious events cannot establish safety for every product. Ingredient combinations and concentrations also vary. A plausible gas-relief mechanism or a calming marketing claim does not establish less crying or better wellbeing.[7]
Probiotic evidence is specific to strain and population
A 2018 individual-participant-data meta-analysis combined four trials involving 345 infants. Its original abstract reported less crying/fussing with Lactobacillus reuteri DSM 17938, with benefit concentrated in breastfed infants; data were insufficient for formula-fed infants. The full paper was not accessible for this guide. This finding cannot be extended to all probiotic strains or mixtures.[10]
The larger Australian trial randomized 167 infants and retained 127 for its primary outcome. After one month the probiotic group averaged 49 more minutes of crying/fussing daily than placebo, chiefly from fussing in formula-fed infants. Most families were recruited through urgent care, limiting generalization. This trial contributes to the later synthesis; counting both as independent replications would exaggerate the evidence.[9]
Education supports coping but does not guarantee fewer injuries
A Canadian trial evaluated crying-education materials in 1,279 mothers of healthy term infants. Knowledge about crying and some information sharing and reported walk-away behaviour improved. Crying duration and maternal frustration did not clearly differ. Outcomes relied on maternal reports, and the trial was not designed or large enough to test abusive-head-trauma incidence. Practical help and follow-up remain important even after someone understands normal crying.[11]
How these sources are connected
Reference counts do not count independent studies. Known relationships in this article:
These are selected documented relationships, not a complete audit of overlap among all cited studies.
References
- Colic
Official patient guidance
NHS · Content/publication date: 2022
Accessed: 2026-10-20 UTC · Original official page read on 2026-10-20; displayed review date is 2022-04-26 and scheduled 2025 review is overdue. No later review inferred.
Cited sections: Definition, expected duration, urgent abnormal cry, treatment cautions and requests for help - Soothing a crying baby
Official patient guidance
NHS · Content/publication date: 2026
Accessed: 2026-10-20 UTC · Original official page read, including 2026-04-22 review date. Contact numbers on the original are intentionally not reproduced.
Cited sections: Comfort measures, crying diary, caregiver break and never-shake advice - Unsettled or crying babies
Pediatric clinical practice guideline
Royal Children’s Hospital Melbourne; Paediatric Improvement Collaborative · Content/publication date: 2025-10
Accessed: 2026-10-20 UTC · Original guideline body and tables read through Firecrawl after web-open failures; retrieval cache dated 2026-10-20. Guideline dated October 2025.
Cited sections: Background; assessment; feeding interventions; practical strategies; October 2025 update - Recognition of the seriously unwell neonate and young infant
Pediatric clinical practice guideline
Royal Children’s Hospital Melbourne; Paediatric Improvement Collaborative · Content/publication date: 2025-05
Accessed: 2026-10-20 UTC · Original guideline body and examination tables read through Firecrawl; page says updated May 2025. Used for recognition and escalation, not home diagnostic thresholds.
Cited sections: Key points, history, examination and prompt assessment; May 2025 update - High temperature (fever) in children
Official patient guidance
NHS · Content/publication date: 2024
Accessed: 2026-10-20 UTC · Original official page read; supplied conditions URL redirects to symptoms URL. Limited to one brief age-specific urgent-boundary row because this work already appears elsewhere in the Atlas.
Cited sections: Urgent advice: baby under 3 months with temperature 38°C or higher - Gastro-oesophageal reflux disease in children and young people: diagnosis and management (NG1)
Official clinical guideline
NICE · Content/publication date: 2019-10-09
Accessed: 2026-10-20 UTC · Original recommendation chapter read through Firecrawl after a 403 from web-open; retrieval cache dated 2026-10-19. Header verifies publication 2015-01-14 and update 2019-10-09.
Cited sections: 1.1.1–1.1.6; table 1; 1.1.16 and 1.1.19; 1.3.1–1.3.2 - Pain-relieving agents for infantile colic
Systematic review
Biagioli E, Tarasco V, Lingua C, Moja L, Savino F; Cochrane · Content/publication date: 2016
Accessed: 2026-10-20 UTC · Original review summary and complete abstract read; full review tables were not inspected. Evidence search dates and small-study limitations remain visible.
Cited sections: Original Cochrane plain-language summary and complete abstract; authors’ conclusions - Dietary modifications for infantile colic
Systematic review
Gordon M, Biagioli E, Sorrenti M, Lingua C, Moja L, Banks SSC, Ceratto S, Savino F; Cochrane · Content/publication date: 2018
Accessed: 2026-10-20 UTC · Original review summary and complete abstract read; full review tables were not inspected. Original web page displays 2018-10-11 publication, while its journal citation identifies issue 10, 2018.
Cited sections: Original Cochrane plain-language summary and complete abstract; search July 2018 and authors’ conclusions - Treating infant colic with the probiotic Lactobacillus reuteri: double blind, placebo controlled randomised trial
Randomized placebo controlled trial
Sung V and colleagues; BMJ · Content/publication date: 2014
Accessed: 2026-10-20 UTC · Original full article read through Firecrawl after web-open returned 403. Read primary results and limitations separately; no reliance on search snippet alone.
Cited sections: Methods; participant flow; primary outcome; feeding subgroups; discussion and limitations - Lactobacillus reuteri to Treat Infant Colic: A Meta-analysis
Individual participant data meta analysis
Sung V and colleagues; Pediatrics / American Academy of Pediatrics · Content/publication date: 2018
Accessed: 2026-10-20 UTC · Original publisher abstract read in full through Firecrawl. Full article is behind an access wall and was not inspected. Claims are restricted to abstract-level findings; the BMJ trial is included in this synthesis, so these are not independent confirmations.
Cited sections: Complete original publisher abstract; four trials, feeding subgroup, limitations and disclosure statements - Do educational materials change knowledge and behaviour about crying and shaken baby syndrome? A randomized controlled trial
Randomized controlled trial
Barr RG and colleagues; CMAJ · Content/publication date: 2009
Accessed: 2026-10-20 UTC · Original full text read in PMC, including limitations and conclusion. Journal issue is 2009-03-31; footnote reports online publication 2009-03-02.
Cited sections: Methods; outcomes; results; limitations; conclusion explicitly distinguishing behavior from injury incidence
Scope & review
- Population
- Caregivers of young infants, especially the first three to four months; unwell, premature or medically complex babies require individualized assessment
- Exposure or intervention
- Crying patterns, feeding assessment, comfort, caregiver support and selected marketed colic remedies
- Comparison
- Typical crying versus concerning change; comfort versus treatment; selected remedies versus placebo or usual care
- Outcomes
- Recognition of illness, feeding and growth concerns, crying/fussing, caregiver coping and injury-prevention knowledge
- Timeframe
- Early infancy; guidance checked October 2026 and explicitly dated trials/reviews
- Jurisdiction
- Selected UK and Australian clinical/patient guidance; Canadian and Australian trials. Emergency access routes vary locally.
Selected-source educational explanation separating guidance, original research and editorial interpretation. No exhaustive review, independent systematic synthesis or qualified clinical review has been completed.
Sources checked on their individual access dates. Selected sources were checked; ongoing surveillance and qualified review have separate statuses on the coverage page.
Revision history
- 2026-10-20 UTC: Added infant crying and colic guide with explicit illness boundaries, caregiver coping and bounded remedy evidence.
What this article still leaves open
- Which safe interventions improve caregiver wellbeing as well as crying in diverse families?
- Which probiotic strains have reproducible benefits in particular feeding groups, and how do current products compare with studied preparations?
- How well do real-world crying-support programmes prevent injury rather than change knowledge alone?
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