Advil is a brand name for ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain, reduce fever, and decrease inflammation. According to Drug Patent Watch [1], Advil is effective in treating various conditions such as headaches, menstrual cramps, dental pain, muscle pain, and arthritis. However, like any medication, Advil has potential side effects. GoodRx [2] lists some of the common side effects of Advil, which include stomach pain, heartburn, nausea, and dizziness. The article published in the British Medical Journal [3] suggests that NSAIDs, including ibuprofen, can increase the risk of heart failure, heart attack, and stroke, especially when taken in high doses or for prolonged periods.

Overall, Advil is effective in treating pain and reducing inflammation, but it is important to be aware of the potential side effects and risks associated with its use. As with any medication, it is best to consult with a healthcare provider to determine if Advil is appropriate for your specific condition and to discuss any potential risks or concerns.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.goodrx.com/advil/advil-side-effects
[3] https://www.bmj.com/content/368/bmj.m1086