Been there done that got the scar!
I had what I thought was a tummy bug, missus eventually dragged me to the doctor (I had not been avoiding them, just didn't want to get out of bed). Doc poked me once, I screamed, they loaded me in a waaambulance.
At the hospital a drain was inserted (you think you have pain now... you know nothing). I was juiced up on antibiotics. They would re-assess in 4 weeks. This is standard procedure, though some doctors argue it should be removed immediately. For 3 weeks I walked around with a tube coming out my gut.
At the end of the 3rd week I went in for a scan, I told the radiologist the stuff in the bag had started to really stink funny. He said that was normal. A few days later I started feeling really wrong, told me wife to take me to hospital - she went and had a shower while I kind of collapses. Waaambulance ride again.
Turns out my gall bladder had exploded, and gangrene had set in (yes gangrene deep inside me). I got an emergency gall bladder removal, got the big scar across ma belly (I tell my kids its from my pirate days). Then I picked up an E-Coli ESBL infection (antibiotic resistant super-bug), spent 24 hours in ICU, acquired pneumonia and almost had total renal failure. I then become a tour stop for the trainees, I think it was a case of 'here is one that survived!".
So take care, don't take your gall bladder infection lightly!