How do I tell my parents I recently went to the hospital for alcohol.

I’m 21, and I’m a sophomore in college. In my time at college Ive drank alcohol but have mostly been responsible. On Saturday last week I bought a large bottle of wine and went to a party. I don’t know how to say this but I forgot about alcohol poisoning as a concept and just drank the bottle under 2 hours. I blacked out at one point and some of my friends that came with me drove me to the hospital where I woke up in a hospital room about 5 or 6 hours later. My friends then drove me home to my dorm and 3 days later I’m mostly feeling better but am still taking things easy and drinking water.

I’m very grateful to my friends for making sure I got the medical help and I called my older brother to let him know what’s happened and he’s been supportive and has checked in a couple times. My parents are currently on vacation abroad and they get back late on Friday EST. I do want to tell them what happened but I haven’t wanted to ruin their vacation so I’ve been waiting until they get back and have rested to tell them about this situation.

Like I said before I’ve mostly drank responsibly but I realize for a parent this can be upsetting news no matter what. I’m just not sure how to say what happened and I was wondering if there were any suggestions for what to say or even similar stories people could tell me.