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A 32-year-old member asked:

What are the effects of caffeine and aspirin on avid runners?

1 doctor answer3 doctors weighed in
Dr. Geoffrey Tyson
Pain Management 40 years experience
Aspirin side effects: Caffeine shouldn't have significant adverse effects beyond insomnia if taken within a few hours of try to sleep. Aspirin when used intermittently in adults also shouldn't be a problem. When used chronically it can put you at increased risk for bleeding and high doses can be toxic. Follow the package labeling to be safe.
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Last updated May 16, 2017
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