Hi,I want to ask what medicine is good for me, Sins the doctor put me IUD a have always blood spotting and Have always yellowish and brownish color on my panty,the lab.doctor said I have pus and RBC after he checked my urine I did also ultrasoun and the doctor said there is form like a salt but not stone And he said I will take coliurinal for 14 days,after 14days I m still not yet good. Thank you