A member asked:

Took 800mg of ibuprofen about 5 hours ago for cramps, and i'm already in a lot of pain again. why is it wearing off so quickly? what gives?

5 doctors weighed in across 2 answers

Yes: The half life of Ibuprofen is about 2 hours. Hence at lower dose can be taking every 4 hours with attention to its adverse effects. Total dose should not exceed 3200 mg. At 400mg can be taking every 4 hours as needed

Answered 11/27/2017

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Could wear off: Ibuprofenn is typically a drug that is taken every 6 hours but for some people it can wear off in 4 to 6 hours. You can supplement the Motrin with Acetaminophen every 4 to 6 hours. You could also substitute the Ibuprofen with Aleve which could last 10 to 12 hours. Make sure you take any of the anti-inflammatories with food. Good luck

Answered 8/13/2017

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Can i take 800mg ibuprofen for mentral cramps?

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