A member asked:

Why do i always get a headache if i don't eat at all or if i don't eat again within 5 hours of eating?

4 doctors weighed in across 2 answers

Blood sugar?: The simple answer is hypoglycemia (low blood sugar). The more complex answer is to take a complete history and physical of your pre-prandial headache. Dehydration is another cause of a headache. Without a complete h & p it is impossible to tell why.

Answered 5/9/2019

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Blood sugar: Let your doctor decide, some possibilities like low sugar, compulsive craving for food etc.

Answered 4/24/2015

6.1k views

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A member asked:

How come i get headaches and feel nauseous when i don't eat?

A doctor has provided 1 answer