Can a seroquel 50 get you high?

In a Word, yes. If your teenager got a hold of it from your medicine cabinet, just think back to how it felt when you first took it, and that will answer your question. However, if they got it from someone else, you don't know what it feels like, so here you go: you feel very very sleepy. You feel dizzy and like your limbs are very heavy. Pretty much like you are drunk, but not when you are first drunk and energetic, drunk like at the end of the night and you just want to be in bed. And that is what it makes you want to do- sleep. This is not the worst thing if your teen is doing it in the safety of you home, but very dangerous if they are driving or mixing other drugs or alcohol with it.

I think you need to have a talk with your teenager. Maybe they really are having trouble sleeping. Maybe they are just experimenting. Maybe they are in some sort of emotional pain and they are self-medicating. Whatever it is, I would talk to them, and find a therapist that they can talk to, because they might feel more comfortable talking to someone other than you. Also, there is always family therapy. Good luck!