plan involves having lsd/mesc, and i may have alcohol during the trip to take the anxiety edge off. now, three days later, i'll have ayahuasca. would this be a problem?
theoretically there will be no interaction with alcohol 3 days later.
however spacing these intense trips only 3 days apart might make tolerance a problem (does lsd/mesc have a name? cactusflipping?)... i know smoked DMT can exhibits very little if any tolerance, but we're talking oral dmt here... and after your first trip you might just decide to give the aya a break for integration
Every standard glass of alcohol (0.25 L beer, 0.12 L wine or 0.05 L spirits I think?) adds up to be broken down in about 1.5 to 2 hours. So you can do the math...
Drink enough and you are still drunk days later, that would have to be a huge ass drinking binge though!