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Tropical sprue

Last reviewed: 3 Apr 2025
Last updated: 20 Apr 2023

Summary

Definition

History and exam

Key diagnostic factors

  • prolonged exposure to an endemic area
  • constitutional symptoms
  • diarrhea
  • bloating
  • foul-smelling, greasy stools
  • glossitis
  • numbness of fingers and toes
Full details

Other diagnostic factors

  • abdominal cramping
  • fever
  • leg swelling
  • hair loss
  • cheilitis/angular stomatitis
  • pedal edema
  • hyperactive bowel sounds/borborygmi
  • hyperpigmentation/eczematous rash
  • pallor
  • dry eyes
  • corneal xerosis
  • decreased deep tendon reflexes/decreased vibratory sensation
  • night blindness
Full details

Risk factors

  • prolonged exposure to an endemic area
  • HLA antigen in the Aw-19 series
Full details

Diagnostic tests

1st tests to order

  • CBC
  • quantitative fecal fat assay
  • D-xylose test
  • serum folate
  • serum vitamin B12
Full details

Tests to consider

  • stool ova and parasites (O and P)
  • stool culture
  • upper gastrointestinal endoscopy with biopsy
  • folic acid therapeutic trial
Full details

Treatment algorithm

ONGOING

tropical sprue symptoms

Contributors

Authors

Daniel Wild, MD

Professor of Medicine

Division of Gastroenterology

Duke University Medical Center

Durham

NC

Disclosures

DW declares that he has no competing interests.

Iris L. Vance, MD

Assistant Professor of Medicine

Division of Gastroenterology

Duke University Medical Center

Durham

NC

Disclosures

ILV declares that she has no competing interests.

Acknowledgements

Dr Daniel Wild and Dr Iris L. Vance would like to gratefully acknowledge Dr Moises Guelrud, a previous contributor to this topic. MG declares that he has no competing interests.

Peer reviewers

J. Thomas LaMont, MD

Professor of Medicine

Harvard Medical School

Division of Gastroenterology

Beth Israel Deaconess Medical Center

Boston

MA

Disclosures

JTLM declares that he has no competing interests.

Daniel Leffler, MD, MS

Instructor in Medicine

Harvard Medical School

Director of Clinical Research

The Celiac Center

Beth Israel Deaconess Medical Center

Boston

MA

Disclosures

DL declares that he has no competing interests.

Paul Ciclitira, MBBS, MD, PhD

Professor of Gastroenterology

Department of Diabetes and Nutritional Sciences

King's College London

Rayne Institute

St Thomas' Hospital

London

UK

Disclosures

PC declares that he has no competing interests.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Keele KD, Bound JP. Sprue in India: a clinical survey of 600 cases. BMJ. 1946;1:77-81.

Sheehy TW, Cohen WC, Wallace DK, et al. Tropical sprue in North Americans. JAMA. 1965;194:1069-1076. Abstract

Sheehy TW, Baggs B, Perez-Santiago E, et al. Prognosis of tropical sprue. A study of the effect of folic acid on the intestinal aspects of acute and chronic sprue. Ann Intern Med. 1962;57:892-908. Abstract

Suarez RM, Spies TD, Suarez RM Jr. The use of folic acid in sprue. Ann Intern Med. 1947;26:642-677.

Rickles FR, Klipstein FA, Tomasini J, et al. Long-term follow-up of antibiotic-treated tropical sprue. Ann Intern Med. 1972;76:203-210. Abstract

Guerra R, Wheby MS, Bayless TM. Long term antibiotic in tropical sprue. Ann Intern Med. 1965;63:619-634. Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
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