According to the sources provided, it is generally safe to take echinacea with Advil (ibuprofen). Echinacea is an herbal supplement commonly used to boost the immune system, while Advil is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce inflammation.

The Drug Patent Watch website does not provide specific information about drug interactions between Advil and echinacea [1]. However, the Drugs.com website, which provides information on drug interactions, states that there are no known interactions between Advil and echinacea [2].

Additionally, the NHS (National Health Service) website states that there are no known interactions between ibuprofen (the active ingredient in Advil) and echinacea [3].

It is important to note that while there are no known interactions, individual responses to medications and supplements can vary. If you have any concerns or questions about taking echinacea with Advil, it is always best to consult with a healthcare professional or pharmacist for personalized advice. They can take into account your specific medical history and any other medications or supplements you may be taking.

In conclusion, based on the provided sources, there are no known interactions between echinacea and Advil. However, it is recommended to consult with a healthcare professional for personalized advice.

Sources:
[1] Drug Patent Watch: https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] Drugs.com: https://www.drugs.com/drug-interactions/advil-with-echinacea-1310-782-955-0.html
[3] NHS: https://www.nhs.uk/medicines/ibuprofen-for-adults/taking-ibuprofen-with-other-medicines-and-herbal-supplements/