Willow19:
I don't know what your usual personality is, but what you've described since being on Keppra are classic symptoms. Since I last posted, I told my neurologist I was going off Keppra, and within a week I wasn't crazy and depressed any longer. I'm still crazy busy with school, but I'm dealing with it in a normal, non-depressed, non-crazy way.
Talk to your doctor. Question him/her. Just because they're a doctor, doesn't always mean they're right! If need be, go to a new doctor and get an opinion. If I hadn't researched Keppra, I would never have known that it was making me crazy/irrational/depressed. I didn't even question my neurologist when he put me on it. And he didn't give me any info on it. I've learned now: ALWAYS question your doctor.
So please, see if there is a different drug you can take!
If you were able to connect with friends family before you took the medication, and if you weren't always angry and on edge, then I bet it's Keppra.
Best of luck!