A member asked:

Can eating raw red onions cause headache?

3 doctors weighed in across 2 answers
Dr. Mark Sacher answered

Specializes in Pain Management

Possibly: There is no side effect of getting headaches consuming onions. If you develop an allergy to onions, then you can get headaches.

Answered 3/26/2013

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If your eating them: And you get a headache then i think you have your answer.

Answered 3/2/2016

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