consumed by so much anxiety it physically hurts

I fucked up big time and now I’m just walking around each day with watching eyes on me. everybody knows my mistake and they hate me for it. even though it has nothing to do with them and everything was resolved. my workplace just loves to gossip so much that everybody hates me now. I want the world to swallow me up whole. I can’t function with the intensity of anxiety I am feeling. I haven’t eaten in 3 days. I’m routinely being sick just because of the stress. I can’t do this anymore and I don’t know what to do