Advil is a brand name for ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat pain, fever, and inflammation. It is important to use Advil as directed and to avoid taking it with other painkillers without consulting a healthcare provider. According to Advil's official website [2], combining Advil with other NSAIDs or pain relievers such as aspirin or acetaminophen may increase the risk of side effects such as stomach bleeding, kidney damage, and liver damage. Therefore, it is important to avoid taking multiple painkillers at the same time unless directed by a healthcare provider.

The NHS website [3] also advises caution when taking ibuprofen with other medications or herbal supplements. It is recommended to consult with a healthcare provider or pharmacist before taking ibuprofen with other medications, especially if you are taking medications for high blood pressure, blood thinners, or antidepressants. Additionally, ibuprofen may interact with herbal supplements such as St. John's Wort, ginkgo biloba, and garlic supplements.

In conclusion, it is not recommended to take Advil with other painkillers without consulting a healthcare provider. Taking multiple painkillers at the same time may increase the risk of side effects and drug interactions. It is important to read the label and follow the instructions for use, and to consult with a healthcare provider or pharmacist before taking Advil with other medications or herbal supplements.

Sources:
[2] https://www.advil.com/advil-safety/combining-medications/
[3] https://www.nhs.uk/medicines/ibuprofen-for-adults/taking-ibuprofen-with-other-medicines-and-herbal-supplements/