Eli5: Why is caffeine often recommended for headache relief? 417 viewsJanuary 1, 2024 Question91.61K May 17, 2023 0 Comments Eli5: Why is caffeine often recommended for headache relief? In: 418 24 Answers ActiveNewestOldest Anonymous Posted May 17, 2023 0 Comments Caffeine has vasoconstrictive properties. This means that blood vessels narrow to restrict blood flow, alleviating pain. Like others have said, too, caffeine increases the absorption and strength of painkillers when taken with caffeine. You are viewing 1 out of 24 answers, click here to view all answers. Register or Login
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