Consuming Advil, the brand name for ibuprofen, in combination with alcohol can lead to serious health consequences. According to the Advil website, ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can increase the risk of stomach ulcers and bleeding when taken with other medications, including alcohol.

Studies have shown that combining ibuprofen with alcohol can increase the risk of [gastrointestinal bleeding]([1] A study published in the journal *BMJ found that NSAID use, including ibuprofen, was associated with an increased risk of gastrointestinal bleeding in individuals who consumed alcohol.). This is because both ibuprofen and alcohol can cause stomach irritation and inflammation, leading to ulcers and bleeding.

Moreover, alcohol can enhance the effects of ibuprofen, increasing the risk of side effects such as dizziness, drowsiness, and nausea. It is essential to remember that the recommended dosage of ibuprofen is 200-400mg every 4-6 hours, and taking more than the recommended dose can increase the risk of adverse effects.

Additionally, individuals who are prone to stomach problems or have a history of stomach ulcers should be cautious when taking ibuprofen and consuming alcohol. As stated by the MedlinePlus website, people with stomach problems or bleeding should not drink alcohol while taking ibuprofen.

In rare cases, combining ibuprofen with alcohol can lead to a condition known as acute kidney injury (AKI). According to a study published in the journal Annals of the Rheumatic Diseases, AKI can occur when NSAIDs, including ibuprofen, are taken in combination with certain medications, including alcohol.

In summary, combining Advil and alcohol can be especially dangerous in individuals who are prone to stomach problems or have a history of stomach ulcers. Moreover, taking ibuprofen in excess of the recommended dose or with other medications can increase the risk of adverse effects.

Sources:

[1] *BMJ, Vol. 343, No. 7817, (2011), pp. d4160, doi: 10.1136/bmj.d4160 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3124490/ 
Annals of the Rheumatic Diseases, Early online publication (2019), doi: 10.1136/annrheumdis-2018-214244
https://ard.bmj.com/content/early/2019/02/25/annrheumdis-2018-214244
https://medlineplus.gov/druginfo/meds/a682158.html
https://www.advil.com/how-it-works/