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Clinical Reviews

Bromhidrosis caused by trimethylaminuria. Difficulties in its diagnosis and treatment


Sánchez Ortega Ca, Rodríguez Martínez Rb, Rodríguez Mayato Rc, Sánchez García Fd

aABS Collblanc. Hospitalet de Llobregat, Barcelona. España.
bUGC Urgencias. Complejo Hospitalario Universitario Torrecárdenas. Almería, España.
cUGC-Pediatría. Hospital La Inmaculada. AGS Norte de Almería. Almería. España.
dUGC-Pediatría. Hospital La Inmaculada. AGS Norte de Almería. Almería, España.

Correspondence: C Sánchez. Email:

Reference of this article.:

Sánchez Ortega C, Rodríguez Martínez R, Rodríguez Mayato R, Sánchez García F. Bromhidrosis por trimetilaminuria. Dificultades en su diagnóstico y tratamiento. Rev Pediatr Aten Primaria. 2021;23:e151-e155.

Published in Internet: 07/12/2021


Trimethylaminuria is a cause of bromhidrosis to be considered in pre-pubertal children, with normal development. Its relation with the ingestion, especially of marine fish, will make us suspect its existence that we will have to confirm by means of the analysis of the urinary excretion of trimetilamine and the genetic study.

We present four cases of trimethylaminuria where the most used formulas to assess increased urinary excretion of trimethylamine are analysed and discussed, as well as their correlation with the severity of the disease and with the performance of genetic tests.

Finally, the used treatments are described, and a treatment proposal is made, based on dietary recommendations and advices to parents for a better understanding and management of the disease.

Keywords: Trimethylaminuria. Fishy odor. Children. Bromhidrosis.



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ISSN 2174-4106  Publicación Open Acess, incluida en DOAJ, sin cargo por publicación.

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