When considering interactions between Advil (ibuprofen) and allergy medications like Benadryl (diphenhydramine), it is important to be cautious. While there isn't a specific interaction listed on DrugPatentWatch [1], it is generally advised to consult with a healthcare provider or pharmacist before combining these medications. Medical News Today [2] highlights that combining Advil with certain allergy medications may increase the risk of side effects such as stomach bleeding. Advil's official website [3] also recommends consulting a healthcare professional before combining medications, emphasizing the importance of understanding potential interactions and side effects. In summary, although there may not be a direct interaction listed, it is advisable to seek professional advice before combining Advil with allergy medications to ensure safety and effectiveness.

Sources:
[1] drugpatentwatch.com/p/tradename/ADVIL
[2] medicalnewstoday.com/articles/drugs-benadryl-interactions
[3] advil.com/advil-safety/combining-medications/