<prompt> One of the intestinal enzymes that is generally deficient in children following an attack of severe infectious enteritis is?LactaseTrypsinLipaseAmylase  <response>: Because Lactase activity in mucosa is marginal, it is likely to be depleted secondary to diffuse mucosal disease Causes of Acquired Lactase deficiency Acute Infective enteritis: Viral or Bacterial gastroenteritis Cystic fibrosis Protein energy malnutrition Cows milk protein intolerance Prolonged use of drugs like Neomycin 