Is PID a recurring condition?

Sort of. While PID doesn't truly recur. It is possible to get it over and over again. PID is sexually transmitted, and the causative agents, gonorrhea and chlamydia can be contracted through sexual contact multiple times throughout a person's life. Hope this helps!
It can be. Pid technically refers to an infection in the upper pelvic organs. Of course another infection can be caught after one is cured. But true re-occurrence either means the original treatment was insufficient or pain due to the prior infection is being interpreted as reinfection.