is the most common cause of vaginal discharge
In your case it is pelvic inflammatory disease
asociated with BV.
You have to lower down your pH upto 3.5.There are various capsules which contain lactobacillus like fembio which lower vaginal pH.
You can use antibiotics like doxycycline or clindamycin orally.
If you are anaemic take iron supplements
Maintain good hygiene , use V wash solution daily.
You can keep vaginal suppositories containing clindamycin and micanazole.
Betadine vaginal pessaries are also good.
Wishing you good health