Taking Advil (ibuprofen) and aspirin together may not be safe for everyone. Both medications are nonsteroidal anti-inflammatory drugs (NSAIDs) that can cause stomach ulcers, bleeding, and kidney damage when taken in high doses or for prolonged periods.

According to the FDA [2], taking aspirin and ibuprofen together may reduce the cardioprotective effects of aspirin. Aspirin is often prescribed to prevent heart attacks and strokes, while ibuprofen is commonly used to relieve pain and inflammation. The FDA recommends that patients who are taking low-dose aspirin for heart health should talk to their healthcare provider before taking ibuprofen or other NSAIDs.

Healthline [3] also notes that taking both Advil and aspirin together may increase the risk of side effects such as stomach pain, nausea, and vomiting. They recommend that individuals who need to take both medications should space them out by at least 2-3 hours to reduce the risk of stomach irritation.

Drug Patent Watch [1] lists Advil as a brand name for ibuprofen, which is available over-the-counter and in prescription-strength formulations. Aspirin is also available over-the-counter and in prescription-strength formulations.

In conclusion, taking Advil and aspirin together may not be safe for everyone, and patients should talk to their healthcare provider before taking both medications. Patients who need to take both medications should space them out by at least 2-3 hours to reduce the risk of stomach irritation.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/information-about-taking-ibuprofen-and-aspirin-together
[3] https://www.healthline.com/health/pain-relief/aspirin-ibuprofen