Can alcohol affect marijuana drug test?

Not sure about a urine test, but I'm sure it probably does show up if the test happens to be designed to test for alcohol. I can say that if you go someplace that does an oral swab, alcohol can show up on it for 12–24 hours after consuming it. read more

But if (and I would suspect is the case) it’s a general screening for intoxicants (which they won’t tell you), you’ll still test positive for alcohol, and marijuana if it’s in your system. Alcohol doesn’t affect the pharmacokinetics of THC excretion. read more

Alcohol contains a lot of calories in the form of sugars. Your body will process these before burning fat. Therefore, drinking a lot of alcohol could slightly reduce the rate at which the THC would be naturally eliminated from your fat. That's about all I can think about. read more