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Why is caffeine present in most pain killers?

Answers:1   |   LastAnswerAt:2011.05  

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Reb Brown 
Asked at 2011.05.15 23:16:33

answer Adolf Pike  Answered at 2011.05.15 23:16:33
caffeine is a pain reliever, although not a very strong one. However, when coupled with acetaminophen or aspirin, caffeine can increase the effectiveness of the pain reliever.IdentificationCaffeine is part of a group of stimulants called xanthine that occurs naturally in some plants. For example, the Coffea arabica plant produces coffee, kola nuts are used in soft drinks and the leaves of Thea sinensis produce tea.Improves EfficacyAccording to WebMD, when caffeine is added, the pain reliever becomes 40 percent more effective in treating headaches.Prompts AbsorptionCaffeine also helps your body absorb the medication quicker, resulting in faster relief from the pain.Too Much CaffeineAccording to ABC News, when taking pain relief compounds that contain caffeine, such as Excedrin, you may notice that you become jittery and can't sleep, particularly if you are also drinking caffeinated beverages along with the medication.ConsiderationsFor some people, caffeine is particularly good for treating a headache. However, others react in the opposite manner and find that caffeine worsens their headache.
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