What’s the relationship to alcohol, increase or decrease of absorption?
Ethanol itself is a good solvent, but in your gut it's probably acts more like a minor solute in an aqueous suspension with your food and drink. All drug - drug or drug - food interactions have to be evaluated on a case by case basis, e.g. you can't drink grapefruit juice with some drugs, some oral drugs for type II diabetes will produce a bad reaction if someone drinks ethanol, etc.