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It is not recommended to exceed the dosage of any medication, including Advil (ibuprofen) and Tylenol (acetaminophen), without consulting a healthcare professional. Combining these two medications can increase the risk of side effects and potential harm to the liver, kidneys, and stomach [1].

The recommended dosage for Advil is typically 200-400mg every 4-6 hours, not to exceed 1200mg in 24 hours [2]. The recommended dosage for Tylenol is typically 325-650mg every 4-6 hours, not to exceed 3000mg in 24 hours [3].

It is important to note that combining medications with the same active ingredients, such as ibuprofen and acetaminophen, can increase the risk of exceeding the recommended dosage and potentially lead to serious health complications.

In conclusion, it is not recommended to exceed the recommended dosages of Advil and Tylenol, and combining these two medications should only be done under the guidance of a healthcare professional.

Sources:

1. <https://www.drugs.com/drug-interactions/ibuprofen-acetaminophen-115-152-238-153.html>
2. <https://www.webmd.com/drugs/2/drug-16952/advil/details>
3. <https://www.webmd.com/drugs/2/drug-16952/tylenol/details>
4. <https://www.drugpatentwatch.com/drugs/ibuprofen-and-acetaminophen>