Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for What I need to know about Lactose Intolerance ?
    ### Response:
    - Lactose is a sugar found in milk and milk products.  - Lactose intolerance means you have symptoms such as bloating, diarrhea, and gas after you have milk or milk products.  - Your doctor will try to find out if you have lactose intolerance with a medical, family, and diet history; a physical exam; and medical tests.
    