31 Strange Causes of Headaches That Have Nothing to Do With Dehydration

Lisette Marie

18. Caffeine Overload (or Withdrawal): A Double-Edged Sword

Businessman drinking coffee. Photo Credit: Envato @AnnaStills

Caffeine can be both a headache reliever and a headache trigger. For some, it provides relief by constricting blood vessels and blocking pain signals. But consuming too much caffeine can lead to dependency, and skipping your daily fix can cause withdrawal headaches. If you're a regular coffee drinker and experience headaches when you miss a cup, consider gradually reducing caffeine intake to see if it makes a difference in your headache frequency.

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18. Caffeine Overload (or Withdrawal): A Double-Edged Sword

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