Does caffeine improve or worsen a headache?

             Written by: Nancy Dixit

Caffeine’s relationship with headaches is complicated—it can either provide relief or make things worse. Let’s break it down!

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Caffeine narrows blood vessels, reducing brain pressure and easing headache pain, especially for occasional users.

How Caffeine Relieves Headaches?

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Caffeine is often found in over-the-counter headache remedies due to its ability to enhance pain relief by constricting blood vessels.

Caffeine In Medications

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Caffeine increases urination, which can lead to dehydration—a known headache trigger. It can also cause a loss of magnesium, contributing to headaches.

Dehydration & Caffeine

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Too much caffeine (over 4 cups of coffee daily) can result in tension headaches and even caffeine overdose, causing more discomfort.

Excessive Caffeine & Headaches

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