Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Hypoglycemia ?
    ### Response:
    Two types of hypoglycemia can occur in people who do not have diabetes:
                
- Reactive hypoglycemia, also called postprandial hypoglycemia, occurs within 4 hours after meals.  - Fasting hypoglycemia, also called postabsorptive hypoglycemia, is often related to an underlying disease.
    