I have reviewed the sources provided and found that Advil's active ingredient is ibuprofen, which is a nonsteroidal anti-inflammatory drug (NSAID). Other medications that contain ibuprofen as their active ingredient include Motrin, Nuprin, and Caldolor [1]. These medications are used to relieve pain, fever, and inflammation.

However, it is important to note that there are other over-the-counter medications that contain different active ingredients and are used for similar purposes. For example, Tylenol (acetaminophen) is a pain reliever and fever reducer, but it does not have anti-inflammatory properties like ibuprofen [2]. Aleve (naproxen) is also an NSAID, but it has a longer duration of action compared to ibuprofen [2].

It is important to read the labels of any medication and consult with a healthcare provider before taking any medication, especially if you are taking other medications or have any medical conditions. Additionally, it is important to note that some medications, including Advil, may have restrictions for use by pilots and air traffic controllers [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.hss.edu/pediatrics-difference-between-tylenol-advil-aleve.asp
[3] https://www.faa.gov/licenses_certificates/medical_certification/media/OTCMedicationsforPilots.pdf