This increases blood flow pressures encompassing nerves, which send pain messages to the brain. How can Caffeine provide relief from Migraine?ĭuring a migraine, blood vessels swell, tighten or go through different changes, causing an increase in blood flow around the brain. When you join caffeine with pain relievers this condition is almost certain. When the medication wears off, the pain returns worse than previously. This can happen when you take a lot of any sort of pain reliever or take it time after time.
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