<prompt> One of the intestinal enzymes that is generally deficient in children following an attack of severe infectious enteritis is:LactaseTrypsinLipaseAmylase  <response>: Secondary lactose intolerence follows small bowel mucosal damage celiac disease, infective diarrhea and usually transient, improving with mucosal healing. Ref:Kligman, Behrman, Jenson, Stanton 2008, Chapter 335, Disorders of Malabsorption, In the book, Nelsons Textbook of Pediatrics, Volume 2, 18th Edition, New Delhi, Page 1598 