Girls, if you're here at the dentist or have had something similar? I …

Girls, if you're here at the dentist or have had something similar? I started having a toothache when biting, it doesn't react to cold or heat, my tooth is treated, it costs a whole filling as far as I am concerned, lower tooth, what can I do, rinse and so on. I don't want to go to the dentist ??? anesthesia takes poorly, I will feel everything again, what can I do? And could it be that I'm sick because of this?