In act 4 does the Friar give Juliet a drug or a potion.

2 answers

http://nfs.sparknotes.com/

This is the best Shakespeare site online, I believe. Find the play you want, then the act and scene. You'll find modern-day English on the right side of the page.

Read carefully.
He gives her a potion, we know this because he has a specialty in herbs and plants and in his previous soliloquy he tells us he knows what plants can stop the heart and such.
Also, in act 5 - scene 3 line 244 he says he gave her a sleeping potion. :)