I’m feeling extremely depressed and anxious and I’m not sure what to do

I had an appointment with my doctor today and I was prescribed Zoloft which I’ll start taking tomorrow, and I also have an appointment with a new therapist tomorrow, but despite all of that I’m feeling hopeless. I’m in college and have very few friends, most of which make it clear they don’t actually care about me and it makes me feel horrible. I recently made a new friend but I constantly worry that he doesn’t actually like me even though I don’t have real evidence for it, my brain is just telling me that. I can hardly get myself out of bed. Classes are starting soon which makes this all especially stressful. I could use some advice. Thanks 🙏