Advil is a popular over-the-counter medication used to relieve pain, reduce fever, and alleviate inflammation. The active ingredient in Advil is ibuprofen, which belongs to a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). According to the manufacturer's website [3], the recommended dose for adults is one or two tablets every four to six hours, not exceeding six tablets in 24 hours. However, the frequency and dosage of Advil use may vary depending on the individual's age, weight, medical history, and the severity of their symptoms.

It is important to note that taking Advil too often or in excessive amounts can lead to serious side effects, such as stomach bleeding, kidney damage, and heart attack. Therefore, it is crucial to follow the recommended dosage and consult a healthcare provider before taking Advil regularly or for an extended period of time. Additionally, individuals who have a history of stomach ulcers, heart disease, high blood pressure, or liver or kidney problems should avoid taking Advil or use it with caution under medical supervision.

According to a USA Today article [2], taking Advil for more than ten days in a row without consulting a doctor is not recommended, as it can increase the risk of adverse effects. It is also advisable to avoid taking Advil together with other NSAIDs or blood-thinning medications, as this can increase the risk of bleeding and other complications.

In summary, Advil can be taken safely within the recommended dosage and frequency, but it is important to use it with caution and under medical supervision, especially for individuals with pre-existing health conditions. If symptoms persist or worsen, it is advisable to seek medical attention and avoid prolonged or excessive use of Advil.

Sources:
[2] https://www.usatoday.com/story/news/2023/03/11/how-often-can-you-take-advil/11230106002/
[3] https://www.advil.com/faqs-en/advil-pain/