Milk allergy and bottles over the back fence: two single patient trials
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OBJECTIVE: To determine if allergy to cows milk was responsible for symptoms in two children. DESIGN: Single patient trial. SETTING: General Practice in New Zealand. PARTICIPANTS: Two children aged about 6 months INTERVENTION: Alternating bottles of soya-based milk and cow's milk provided by neighbours over their back fence. MAIN OUTCOME MEASURES: Presence of diarrhea, irritability, rash and wheeze. RESULTS: After 4 cycles of soya-based milk and cows milk one child proved to have a milk allergy and one did not. CONCLUSION: A systematic approach enabled conclusive diagnoses in both children.
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