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Thiopurines, a previously unrecognised cause for fatigue in patients with inflammatory bowel disease.
MedLine Citation:
PMID:  21172270     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: Active inflammatory bowel disease, anaemia, iron deficiency and depression, alone or in combination, are known contributing factors of fatigue in inflammatory bowel disease. However, in some patients, fatigue cannot be attributed to known causes. Thiopurines are not a recognized cause.
AIM: To describe the clinical scenario of a series of patients where thiopurines were the likely cause of fatigue.
METHOD: The clinical scenario of 5 patients was examined with specific reference to the temporal association of thiopurine therapy with fatigue, the effect of its withdrawal and rechallenge, and drug specificity.
RESULTS: The onset of severe fatigue was related to the introduction of azathioprine or 6-mercaptopurine, rapid relief was experienced on its withdrawal in all patients, and fatigue rapidly occurred on rechallenge. The speed of onset was rapid in two patients and in the context of gradual withdrawal of moderate steroid dose, but recurred rapidly on rechallenge when not on steroids.
CONCLUSIONS: Marked fatigue is a previously unrecognized adverse effect of thiopurines. It does not appear to be drug-specific. Its onset might be masked by concurrent steroid therapy.
Authors:
Thomas W T Lee; John H Iser; Miles P Sparrow; Evan D Newnham; Belinda J Headon; Peter R Gibson
Publication Detail:
Type:  Journal Article     Date:  2009-03-28
Journal Detail:
Title:  Journal of Crohn's & colitis     Volume:  3     ISSN:  1876-4479     ISO Abbreviation:  J Crohns Colitis     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2010-12-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101318676     Medline TA:  J Crohns Colitis     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  196-9     Citation Subset:  -    
Affiliation:
Department of Gastroenterology and Monash University Department of Medicine, Box Hill Hospital, Box Hill Victoria, Australia.
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