I had a terrible ear infection as an adult once, honestly worst pain I can remember and I’ve broken a few bones. The doctor gave me an antibiotic shot to speed up the recovery, and it worked amazingly well.

A couple years later I got some kind of bronchial bacterial infection. They were just going to send me home with a script for antibiotics, but I asked for the shot and they gave it to me. The next day I felt drastically better. I still of course had to take a course of antibiotics, but the speed at which the shot worked was amazing.

So I totally understand asking for it when its appropriate for bacterial infections.

Of course doctors should not offer it if there is a shortage of medical equipment