Alcohol can have harmful interactions with medications, potentially affecting their effectiveness or causing adverse effects. When mixed with certain medications, alcohol can increase the risk of side effects like drowsiness, dizziness, and impaired coordination. It can also lead to more severe consequences such as liver damage, heart problems, or overdose. Alcohol can interfere with the metabolism of medications in the liver, affecting how the drugs are broken down and eliminated from the body. This interference can lead to either increased or decreased drug levels in the bloodstream, impacting their therapeutic effects. It is essential to consult healthcare providers or pharmacists about the specific interactions between alcohol and medications to avoid any potential risks or complications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ALCOHOL
[2] https://www.niaaa.nih.gov/publications/brochures-and-fact-sheets/harmful-interactions-mixing-alcohol-with-medicines
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6761694/