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Kwashiorkor

Last reviewed: 5 Oct 2024
Last updated: 19 Jan 2022

Summary

Definition

History and exam

Key diagnostic factors

  • history of famine or monotonous diet
  • child <5 years of age and living in rural community
  • low weight for height, low height for age, or a low mid-upper arm circumference (MUAC)
  • bilateral pitting edema
Full details

Other diagnostic factors

  • hair discoloration
  • dermatosis/ulceration
  • apathy and reluctance to feed
  • hypothermia
  • oral candida
  • xerophthalmia
  • pallor
  • poor hydration
  • fever
  • irritability
Full details

Risk factors

  • endemic food insecurity or famine
  • rural communities
  • <5 years of age
  • monotonous diet based on maize or cassava
  • dietary protein deficiency
  • HIV
  • tuberculosis (TB)
  • measles
  • diarrhea
  • weaning off the breast
  • exposure to free radicals
  • antioxidant deficiency
  • aflatoxin poisoning
  • incomplete immunization
  • poor social or economic conditions
  • cerebral palsy
Full details

Diagnostic tests

1st tests to order

  • clinical diagnosis
Full details

Tests to consider

  • urine dipstick
  • complete blood count (CBC)
  • serum electrolytes
  • serum protein
  • serum albumin
  • blood glucose
  • chest x-ray (CXR)
  • urine culture
  • blood culture
  • stool culture
  • tuberculosis (TB) skin testing
  • HIV serology/polymerase chain reaction (PCR)
  • malaria screen
  • echocardiography
Full details

Treatment algorithm

ACUTE

uncomplicated

complicated

Contributors

Authors

Mark J. Manary, MD

Helene B. Roberson Professor of Pediatrics

Washington University School of Medicine

St Louis

MO

Disclosures

MJM is an author of a number of references cited in this topic.

Indi Trehan, MD, MPH, DTM&H

Associate Professor of Pediatrics

Adjunct Associate Professor of Global Health and Epidemiology

University of Washington

Seattle

WA

Disclosures

IT is the co-author of a reference cited in this topic.

Acknowledgements

Dr Mark J. Manary and Dr Indi Trehan would like to gratefully acknowledge Dr James E.G. Bunn, the previous contributor to this topic.

Disclosures

JEGB declared that he had no competing interests.

Peer reviewers

Beatrice Amadi, MD, MMed.Paed

Consultant Paediatrician

University Teaching Hospital

Department of Paediatrics and Child Health

Lusaka

Zambia

Disclosures

BA declares that she has no competing interests.

Tahmeed Ahmed, MD

Adjunct Professor

Public Health Nutrition

James P. Grant School of Public Health

BRAC University

Dhaka

Bangladesh

Disclosures

TA declares that he has no competing interests.

George J. Fuchs III, MD

Professor of Pediatrics and Health Policy and Management

University of Arkansas for Medical Sciences

Little Rock

AR

Disclosures

GJF declares that he has no competing interests.

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