10 Common Types of Headaches
Type #9: Caffeine Headaches
Caffeine headaches occur in people who habitually take high amounts caffeine, especially from coffee. You are likely to get a caffeine headache if you consume 400 milligrams or more of caffeine daily. This is equivalent to four cups of coffee.
Caffeine headaches may also occur in people who take 200 milligrams or more of caffeine daily over a period of 2 weeks or more. However, in this case, the headache occurs upon withdrawal from taking caffeine. This typically happens within the first 24 hours since the last intake. The headache may be accompanied by other symptoms such as difficulty concentrating, nausea, tiredness, mood changes, and irritability. Caffeine headaches stop within 7 days of withdrawal. You can also get relief by drinking some coffee.
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