system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
An infant with intolerance to breast feed, vomiting and diarrhoea develops cataract. Which of the following is the most likely diagnosis?
assistant
The correct answer is  Ans. (b) GalactosemiaRef: Kanski 7/e, p. 301Galactosemia - becomes manifest during infancy with features of failure to thrive, lethargy, vomiting and diarrhea. Reducing substance is found in urine after drinking milk.Cataract develops (oil droplet central opacity) within first few days to weeks of life. The exclusion of galactose (milk and milk products) from the diet will prevent the progression of cataract and may reverse early lens changes.