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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.
Contents [hide] 1 Can you take Ibuprofen with different Tylenol products 1.1 What is Ibuprofen. 1.2 What is Tylenol. 1.3 How Ibuprofen and Tylenol work in the body. 2 Can patients take Ibuprofen and Tylenol together 2.1 Special precautions and warnings during Ibuprofen and Tylenol administration: 1  Patients should tell their doctor and pharmacist if they are allergic to acetaminophen, ibuprofen, aspirin or any other NSAIDs such as ketoprofen and naproxen or any other medicines, or any of the inactive ingredients in Tylenol or Ibuprofen products.