I'm a 21 year old male and I have a depression/anxiety disorder. Medication (Zoloft) usually keeps it under control.
I got a new job at a drugstore about a month ago. It's been great, but a few days ago things went poorly. I accidentally overcharged someone. Though I noticed my own mistake and rectified it, I still had to jump through bureaucratic hoops to explain everything. Not a big deal, but it had me way more upset than I should have been. Then a teenage customer was verbally abusive to me when I refused to sell him alcohol. Again, not a big deal, and I did exactly what I should have, but it still got to me. I lost a lot of sleep that night.
The following day, I was still rather flustered. I made several large mistakes within an hour of arriving. It worried my manager enough that he asked if I needed to take a few minutes and clear my head. I said I was fine and I got through the day all right, but I've been having thoughts of suicide ever since. And I've realized that this isn't the first time something like this has happened –– a few small things get me too worked up to function and I end up feeling awful.
It scares me that something so little can push me so far. What do I do? I'm already medicated.