Maybe figure out why you are having so much pain? There may be a better alternative than taking so much ibuprofen.
I think the manufacturer recommends no more than 2grams per day or 2,000mg. It might be possible to take a bit more, but with increasing dosages for increasing durations, there is also increased risk of stroke, GI bleeding and kidney damage.
If 400 mg of ibuprofen isn’t taking your pain where it needs to be, you can also mix it with acetaminophen (Tylenol) (assuming you have no liver issues). So maybe try 400mg of ibuprofen, and if in 2 hours you are not seeing any relief, then try 650mg of acetaminophen. This would typically be safer and more effective than high dose ibuprofen alone. But again, this is just a band aid- you really need to addess the underlying cause of the pain to begin with- and for many kinds of pain, non-paharmacolocigal methods are effective add ons to medication (physical therapy, hot and cold applications).
I think the manufacturer recommends no more than 2grams per day or 2,000mg. It might be possible to take a bit more, but with increasing dosages for increasing durations, there is also increased risk of stroke, GI bleeding and kidney damage.
If 400 mg of ibuprofen isn’t taking your pain where it needs to be, you can also mix it with acetaminophen (Tylenol) (assuming you have no liver issues). So maybe try 400mg of ibuprofen, and if in 2 hours you are not seeing any relief, then try 650mg of acetaminophen. This would typically be safer and more effective than high dose ibuprofen alone. But again, this is just a band aid- you really need to addess the underlying cause of the pain to begin with- and for many kinds of pain, non-paharmacolocigal methods are effective add ons to medication (physical therapy, hot and cold applications).