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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.
Take Extra-strength Tylenol (500mg Acetaminophen) every four hours as needed for pain. You may substitute a prescription pain pill if one was prescribed for you. Leave the original dressing in place for at least 24 hours.