Ibuprofen, commonly sold under the brand name Advil, is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, inflammation, and fever. While it is generally considered safe and effective when used as directed, there are potential side effects to be aware of. Some common side effects include stomach upset, heartburn, dizziness, and headache. More serious side effects can include gastrointestinal bleeding, kidney problems, and cardiovascular issues. It is important to follow the recommended dosage and duration of use to minimize the risk of side effects. If you experience any concerning symptoms while taking Advil, it is advisable to consult a healthcare provider for guidance.

Sources:
[1] drugpatentwatch.com
[2] mayoclinic.org
[3] goodrx.com