Can you purchase Ibuprofen in 500 mg doses?
Non-prescription ibuprofen is sold over the counter in generic versions and brand names such as Motrin and Advil. Ibuprofen is often taken to reduce fever and treat headaches, toothache, arthritis, menstrual cramps, back pain or minor injuries. By prescription, the maximum adult dose of ibuprofen is 800 milligrams per single dose or 3,200 milligrams per day. The limit of over-the-counter ibuprofen is less, with a maximum daily dose of 1200 milligrams, explains About.com.
Sources: arthritis.about.com, fda.gov