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According to my doctor, 4 hours. You can switch them up. Take acetaminophen, (Tylenol), then wait 4 hours and take Ibuprofen, wait another 4 hours and take acetaminophen and so on. :) 15 people found this useful.
Pain. For moderate pain, three 200mg Ibuprofen tablets (Advil or Motrin) should be taken every 6 hours. Two Tylenol can be taken every 6 hours as well, but it may be best to stagger these 3 hours after the last ibuprofen dosage.For severe pain, take the tablets prescribed as directed.The prescribed pain medicine will make you groggy and will slow down your reflexes.n the event of nausea and/or vomiting following surgery, do not take anything by mouth for at least an hour especially the narcotic pain medicine. You should then sip on coke, tea or ginger ale. You should sip slowly over a fifteen-minute period.