Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of What I need to know about Lactose Intolerance ?
    ### Response:
    Common symptoms of lactose intolerance include
                
- bloating, a feeling of fullness or swelling, in your belly  - pain in your belly  - diarrhea  - gas  - nausea
                
You may feel symptoms 30 minutes to 2 hours after you have milk or milk products.
    