Hives with Nonspecific Gut symptoms – Consider Blastocystis

Blastocystis is a protozoan thought commensal (normal flora) but actually shown to cause disease in humans. Now a particular subtype is linked to urticaria/hives.

Acta Trop. 2015 May 11;148:156-161. doi: 10.1016/j.actatropica.2015.05.004.
Blastocystis and urticaria: Examination of subtypes and morphotypes in an unusual
clinical manifestation.
Casero RD(1), Mongi F(2), Sánchez A(3), Ramírez JD

Nonspecific gastrointestinal symptoms/IBS have been found related to blastocystis hominis before:
Irritable Bowel – Possible Missed Protozoan Disease With Treatment

specific allele found in chronic uriticaria.


Comment – if you have an irritable bowel and hives, get stools tested for blastocystis though some labs ignore them in exams because the could be “normal” . Specifically have doctor check for them in lab req. michael kors sac a dos michael kors sac a dos

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