Advil is a brand name for ibuprofen, which is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce inflammation. While Advil is generally safe when used as directed, taking it too frequently or in large amounts can cause harmful side effects.

According to Drug Patent Watch [1], Advil is typically taken every 4-6 hours as needed for pain relief, with a maximum daily dose of 3200 mg. However, exceeding this dosage can lead to serious health problems, including stomach ulcers, bleeding, and kidney damage.

Healthline [2] states that taking Advil for an extended period can also increase the risk of heart attack and stroke, particularly in people with pre-existing heart conditions. Additionally, long-term use of Advil can lead to liver damage, high blood pressure, and fluid retention.

GoodRx [3] recommends that individuals should not take more than 1200 mg of Advil in a 24-hour period, and should not use it for more than 10 days without consulting a doctor. They also suggest that individuals with a history of stomach ulcers, kidney disease, or heart disease should avoid taking Advil altogether.

In conclusion, Advil can be harmful if taken too frequently or in large amounts. It is important to follow the recommended dosage and duration of use, and to consult a doctor before using Advil if you have a history of certain health conditions. If you experience any concerning symptoms while taking Advil, such as stomach pain, dizziness, or shortness of breath, seek medical attention immediately.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.healthline.com/health/pain-relief/ibuprofen-advil-side-effects
[3] https://www.goodrx.com/ibuprofen/how-much-is-too-much-advil-ibuprofen