Advil is a brand name for ibuprofen, which is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce fever. According to the sources provided, it is generally safe to take Advil before or after antibiotics, but there are some precautions to keep in mind.

The first source, Drug Patent Watch [1], provides information about the patent status of Advil, but does not address the question at hand.

The second source, Advil's official website [2], states that Advil can be safely taken with many other medications, including antibiotics. However, it is recommended to consult with a doctor or pharmacist before combining medications to ensure there are no potential interactions.

The third source, Drugs.com [3], explains that ibuprofen (Advil) can be taken with most antibiotics, but there are some exceptions. For example, taking ibuprofen with certain antibiotics, such as ciprofloxacin or norfloxacin, may increase the risk of seizures. Additionally, some antibiotics may decrease the effectiveness of ibuprofen.

In conclusion, it is generally safe to take Advil before or after antibiotics, but it is important to consult with a healthcare professional before combining medications to ensure there are no potential interactions or decreased effectiveness.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.advil.com/advil-safety/combining-medications/
[3] https://www.drugs.com/medical-answers/take-ibuprofen-antibiotics-3121711/