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A member asked:
How many hours of pain relief will 400 mg of ibuprofen twice day give you?
A doctor has provided 1 answer
Maybe 8-12 hours: A person taking ibuprofen for appropriate reasons, may feel less pain for 4-6 hours after each dose... but that varies from person to person, and also depends on the type of pain and the amount of pain.
Answered 11/28/2017
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