A member asked:

What causes headaches in left side of head?

A doctor has provided 1 answer

Anything: Headaches can come from fatigue, sleeping too much or too little, eye strain, sleep apnea, snoring, being dehydrated, having chronic sinusitis or allergies, too much caffeine or over the counter headache medication, high blood pressure or something more serious like a tumor. See your doctor and get checked.

Answered 6/11/2017

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Related Questions

A member asked:

Can a hard sneeze cause a headache on the left side of head?

A doctor has provided 1 answer