Advil is a brand name for ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce inflammation. According to the Drug Patent Watch [1], the active ingredient in Advil has not changed since its approval in 1984. Therefore, the strength of Advil has remained the same for over three decades.

However, when comparing Advil to other NSAIDs, such as naproxen, the effectiveness may vary depending on the individual and the type of pain being treated. A study published in the Journal of Clinical Pharmacy and Therapeutics [2] found that naproxen may be more effective in treating menstrual cramps, while ibuprofen (Advil) may be more effective in treating tension headaches. It is important to note that all NSAIDs carry potential risks and side effects, such as stomach ulcers and kidney damage, and should be taken as directed and under the supervision of a healthcare provider.

The Advil website [3] provides information on the history and development of the brand, as well as the various forms and dosages of Advil products available. It also emphasizes the importance of reading and following the label instructions and consulting a healthcare provider before use.

In conclusion, the strength of Advil has remained consistent since its approval in 1984. While the effectiveness of Advil compared to other NSAIDs may vary depending on the individual and type of pain being treated, it is important to follow label instructions and consult a healthcare provider before use.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://onlinelibrary.wiley.com/doi/abs/10.1111/jcpt.12027
[3] https://www.advil.com/advil-story/