The differential diagnosis must distinguish lactose intolerance from milk allergy, which is an abnormal immune response (usually) to milk proteins.
What are the differential diagnoses for lactose intolerance?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What are the differential diagnoses for lactose intolerance? [/INST] \n The differential diagnosis must distinguish lactose intolerance from milk allergy, which is an abnormal immune response (usually) to milk proteins.</s>