Did someone put something in my drink?

I went to party a couple days ago and I don't think I drank too much, I usually only drink enough to get buzzed. But I woke up in like the afternoon the next day practically on the side of the road with like some guys leg thrown across me, and I had to walk through a f***ing cemetery to get home. Anyway I can't recall anything that happened that whole night except drink maybe one or two beers. It's freaking me out because hangovers don't last this long. I still feel pretty disoriented and unfocused and spaced out. I rarely go to parties, but I don't think you feel this out of it 3 days after a party.

Anyway, I considered going to the doctor and doing like a drug test to see if there were traces of like roofies or ketamine or some sh*t like that, but I can't, because the day before that I smoked some good stuff.

What do you think, are these the symptoms of a drug? Or just a really, really bad hangover? I'm not gonna lie, I'm really scared to drink again.

Did someone put something in my drink?
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