Pid pain and fluid in pod. Pid and pain.

After Mt surgery , my infection got triggered, got no. Of uti and then that pain didn't stop , after 2 months of uti treatment, recently my ultrasound report showed that I have fluid in pod , and now I'm resistant to most antibiotics, and docter said my organs are in good condition, but as she is not expert , she did my Mt and I had to tell her that I have pid . Currently I'm taking piperacilin & tazobactum injection ip with lots of antibiotics and paracetamol for pain reliever , I'm very scared ,I want to get pregnant, how will I know know if fluid and pid is dissapearing, after taking antibiotics , I gave pain in my pelvic area , headache, nausea and chills and low bp, it's hard for my body to control medicines,  as i m taking medicine since 5 months for uti and other defienccy .what should I expect now , why this pain got worse with treatment, what if this antibiotics injection won't work , what is last option to get rid of fluid and pid and pain. Please suggest something. Because i