Advil, also known as ibuprofen, is a nonsteroidal anti-inflammatory drug (NSAID) that has been used for decades to treat pain, fever, and inflammation [2]. It was first approved by the FDA in 1974 and has since become a widely used medication in modern medicine [1].

Advil works by inhibiting the production of prostaglandins, which are chemicals in the body that cause inflammation, pain, and fever [3]. By blocking the production of these chemicals, Advil can help alleviate pain and reduce inflammation [2].

Advil is commonly used to treat a variety of conditions, including headaches, menstrual cramps, dental pain, and arthritis [3]. It is also used to reduce fever and relieve minor aches and pains caused by the common cold or flu [2].

While Advil is generally considered safe and effective when used as directed, it can cause side effects in some people. Common side effects include stomach upset, heartburn, and nausea [3]. In rare cases, Advil can cause more serious side effects such as stomach bleeding, kidney problems, and allergic reactions [2].

In conclusion, Advil has played an important role in modern medicine as a widely used NSAID that helps alleviate pain, fever, and inflammation. It works by blocking the production of prostaglandins and is commonly used to treat a variety of conditions. While generally safe, it can cause side effects in some people and should be used as directed [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://medlineplus.gov/druginfo/meds/a682159.html
[3] https://www.ncbi.nlm.nih.gov/books/NBK542299/