Hello rich7791,
Your question about what is happening I have read carefully and I understand you are possibly under stress with your Dad's health and maybe other things.
At this point I want to tell you in no uncertain terms to stop taking any street drugs. Street drugs like marijuana, meth and hallucinogens can cause psychosis and the lingering effects of the street drugs can be permanent.
I would if I were you talk to a professional. I'm not a doctor so I can't diagnose your problem. However, I can tell you that if you want peace of mind, please talk to a professional before this gets out of control. You are in college and mentioned doing drugs on spring break so that leads me to believe you are 18 or 19 or in your early twenties, a time of life when illnesses like SZ tend to strike.
If the professional you saw does not think you have SZ, please put your mind at rest. There are other medical conditions for which SSRIs like Zoloft and Paxil are used, like generalized anxiety disorder as well as depression.
Before I sign off, I will suggest you try your best to remain active in the world, take showers, eat good meals, see your friends, work at a job or volunteer work, join the football team again. This kind of a personal history, which is technically called a "premorbid functioning" level helps a person greatly should they go on to develop mental health problems in the future.
Not to make light of your situation, but even doctors studying in medical school panic when they learn about diseases and think they could have the condition they're studying about.
If a doctor has given you a diagnosis and you're unsure about it, you can always get a second opinion. To me it seems you have some kind of anxiety going on. Yet like I said, I can't diagnose what's going on or prescribe treatment.
When you return to school, you may want to go to the student health center at your college to see about talking with a therapist in a weekly or monthly session. You are young, going through a lot of changes as you become an adult [as we all did when we were young] and a therapist could give you support for what you feel and what you're going through.
I hope you find some comfort and relief.
Regards,
Christina