white discharge can of two types, physiological and pathological.
in case of physiological discharge you won't have altered color, odor, itching, associated lesions etc, where as in pathological discharge you can see those symptoms and quantity can also be more,
clingen cream helps in treating yeast infections
, anaerobic infections
IUD can predispose to pelvic infections, so to confirm the cure form infection you once get examined with your doctor, if persists you can go for swab culture and depending on that antibiotics can be used.