Anal Fissures in Infants May Be a Pathognomonic Sign of Infants with Cow’s Milk Allergy

Pipop Jirapinyo MD*, Narumon Densupsoontorn MD*, Channagarn Kangwanpornsiri MD*

Affiliation : * Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

Objective : To study the association between anal fissures and cow’s milk allergy (CMA) in infants. Methods and Method: In a prospective study, 72 confirmed cases of CMA in infants were examined for anal fissure by pediatricians with five years’ experience. A positive finding was defined as when an anal fissure was detected by at least two out of three examiners.
Results : Of infants with CMA with and without gastrointestinal GI symptoms, 79% and 83% had anal fissures, respectively. The prevalence of anal fissure in these infants is significantly higher than in normal infants.
Conclusion : Anal fissure may be a pathognomonic sign of cow’s milk allergy in infants.

Keywords : Anal fissure, Cow’s milk allergy, Diagnosis, Pathognomonic sign

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