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What is the most common cause of lower GI tract bleeding in young infants after anal fissure?
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What is the most common cause of lower GI tract bleeding in young infants after anal fissure?
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January 8, 2019 at 4:55 pm
D) Cow’s milk protein sensitivity
The protein sensitivity causes an allergic proctocolitis, and may present with hematochezia or melena. It most commonly presents in the first 3 months of life. Patients may have anemia and eosinophilia. Treatment is by changing to a hydrolyzed or amino-acid based formula (infants are often sensitive to soy formulas also). C. diff is often falsely positive in young infants, and testing is generally not recommended in < 3 year olds.