It will usually start to work in 20 to 30 minutes taken on an empty stomach with water, lasts up to six hours, depending on the dose. Higher doses last longer. Having food in the stomach slows absorption of most medications (but not all).
Similarly, you may ask, how many 200 mg ibuprofen should you take?
How much you can take depends on your age, the type of ibuprofen you're taking and how strong it is. For example: adults – can usually take one or two 200mg tablets every four to six hours, but shouldn't take more than 1,200mg (six 200mg) tablets in the space of 24 hours.
What would happen if you took a lot of ibuprofen?
Do not take more of this medication than is recommended. An overdose of ibuprofen can cause damage to your stomach or intestines. The maximum amount of ibuprofen for adults is 800 milligrams per dose or 3200 mg per day (4 maximum doses). If you do not have a dose-measuring device, ask your pharmacist for one.
How much ibuprofen can you take at a time?
Generally taken every 6 to 8 hours, the maximum dose of Ibuprofen is 2400 mg per day which is 12 over-the-counter tablets. Especially in light of the recent FDA recommendations, be sure not to take more ibuprofen or acetaminophen than you need to relieve your pain.