Answers:
Various. Could be ciprofloxacin, levofloxacin, etc.
Depend on what microbes wreak your PID.
If you enjoy PID afterwards a Dr will prescribe an antibiotic. usually for both partner. There's usually two different anti prescribed as in good health. Oral or injection.
See a Dr if you conjecture you enjoy PID...it can effect so much of the reproductive system.
It depends on the organism. Doxycycline is used to treat Chlamydia, and Cipro, a cephalosporin or sometimes a penicillin is used to treat other PID cause organisms.