Paeds · child-safety-and-social-paediatrics
Caregiver-fabricated or induced illness
Also known as Fabricated or induced illness · FII · Munchausen syndrome by proxy · Medical child abuse · Illness induction syndrome · Paediatric condition falsification
Fellowship guide to caregiver-fabricated or induced illness (FII): the modern child-centred definition that replaced Munchausen syndrome by proxy, the three caregiver behaviours of fabrication falsification and induction, the three mechanisms of harm through direct injury iatrogenic burden and developmental distortion, the RCPCH alerting features, the separation from perplexing presentations and genuine rare disease, the multi-agency safeguarding response that never confronts the suspected caregiver alone, and a closed-loop long-term plan with sibling protection across ANZ UK US and Canada.
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Target exams
Red flags
- Symptoms reported by the caregiver that are never witnessed by staff and resolve when the caregiver is absent
- A presentation that does not fit any recognised disease pattern or is bizarre and incongruent
- Direct evidence of induction — poisoning, suffocation, or tampering with lines and devices
- A caregiver unusually willing to consent to invasive investigations or who appears calm amid the child's suffering
- Confronting the suspected caregiver alone or prematurely, which may trigger escalation, flight, or evidence destruction
- Continuing to investigate the fabricated symptom, which deepens the iatrogenic harm
- Failing to assess and protect siblings, who are at elevated risk
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- General and Community Paediatrics
- Child protection and advocacy
- Ethics and law
- Learning goal 15 essential general paediatrics
- Social determinants of child health
- Clinical Applications
- Long Cases
- Short Cases
- Communication
- Safeguarding
- Patient management
- Foundation of Practice (FOP)
- Applied Knowledge in Practice (AKP)
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- General Pediatrics Content Outline — Domain 7: Child Abuse and Neglect
- General Pediatrics EPA: Recognise and respond to child maltreatment
- General Pediatrics Content Outline — Domain 3: Adolescent medicine and age-related issues
- Patient Care 1: History
- Patient Care 5: Patient Management
- Systems-Based Practice 3: System Navigation for Patient Centered Care – Coordination of Care
- Systems-Based Practice 4: Advocate for patients
- Medical Expert
- Health Advocate
- Collaborator
- Pediatrics: Core EPA 8 — Recognising and responding to child maltreatment
Overview & Definition
A two-year-old is admitted for the fourth time this year with unexplained apnoea that nobody on the ward has witnessed, and his mother — calm, knowledgeable, and sleeping by his side — is pressing for a central line. The question an examiner wants you to hold is not "what rare disease does this child have?" but "is the caregiver's behaviour harming this child?" That question is the doorway into fabricated or induced illness, one of the most dangerous and most missed forms of child abuse. [1] [3]
The working definition is child-centred, not perpetrator-centred: FII is a situation in which a child is, or is very likely to be, harmed because of a caregiver's behaviour and actions directed towards fulfilling the caregiver's own needs. The harm may flow from direct induction, from the medical response to a fabricated story, or from the psychological and developmental consequences of the enforced sick role. What makes it abuse is the harm to the child, not the label or the motivation of the adult. [6] [1]
The terminology has evolved precisely because the old label failed children. "Munchausen syndrome by proxy" centred on the perpetrator's psychopathology and asked clinicians to diagnose a mental disorder in the parent; "fabricated or induced illness" and the AAP's "medical child abuse" centre on the child's welfare and ask only whether the caregiver's behaviour is causing harm. Glaser's reframing — from "Munchausen by proxy" to child and family-oriented action — is the conceptual hinge a fellowship candidate must defend. [6] [2]
This leaf owns the recognition, multi-agency assessment, and safeguarding-led management of FII. The overarching maltreatment framework lives on the child-maltreatment leaf, jurisdictional reporting on the mandatory-reporting leaf, the uncertainty-before-suspicion work on the perplexing-presentations leaf, and the mechanism of inflicted physical injury on the abusive-head-trauma and inflicted-burns leaves. [1] [2]
References12ShowHide
- [1]Bass C, Glaser D Early recognition and management of fabricated or induced illness in children Lancet, 2014.PMID 24612863
- [2]Flaherty EG, Macmillan HL Caregiver-fabricated illness in a child: a manifestation of child maltreatment Pediatrics, 2013.PMID 23979088
- [3]Rosenberg DA Web of deceit: a literature review of Munchausen syndrome by proxy Child Abuse Negl, 1987.PMID 3322516
- [4]Bass C, Jones D Psychopathology of perpetrators of fabricated or induced illness in children: case series Br J Psychiatry, 2011.PMID 21804147
- [5]Yates G, Bass C The perpetrators of medical child abuse (Munchausen Syndrome by Proxy) - A systematic review of 796 cases Child Abuse Negl, 2017.PMID 28750264
- [6]Glaser D Fabricated or induced illness: From Munchausen by proxy to child and family-oriented action Child Abuse Negl, 2020.PMID 32805620
- [7]Glaser D, Davis P For debate: Forty years of fabricated or induced illness (FII): where next for paediatricians? Paper 2: Management of perplexing presentations including FII Arch Dis Child, 2019.PMID 29618483
- [8]Gray J, Bentovim A Illness induction syndrome: paper I--a series of 41 children from 37 families identified at The Great Ormond Street Hospital for Children NHS Trust Child Abuse Negl, 1996.PMID 8866113
- [9]Feldman MD, Light MJ, Lasher LJ, Sheridan MS Beyond Munchausen syndrome by proxy Pediatrics, 2007.PMID 17974755
- [10]Rees P, Al-Hussaini A, Maguire S Child abuse and fabricated or induced illness in the ENT setting: a systematic review Clin Otolaryngol, 2017.PMID 27148702
- [11]Wear KR, Li S Guideline review: RCPCH perplexing presentations, fabricated or induced illness in children guidance 2021 Arch Dis Child Educ Pract Ed, 2022.PMID 34728544
- [12]Sheridan MS The deceit continues: an updated literature review of Munchausen Syndrome by Proxy Child Abuse Negl, 2003.PMID 12686328