Used metronidazole vulva still to itch how to do

With metronidazole vulva or itching need to go to the hospital in time for examination, you can change drugs, see whether itching symptoms can be relieved, may be insensitive to this drug, so there are still itching symptoms, you can choose other drug treatment. Metronidazole treatment of trichomonas or bacterial vaginitis effect is better, but if the presence of candida infection or showing mycoplasma chlamydia infection may not achieve a better effect, so after showing itching symptoms to check clear symptomatic treatment, if the symptoms can not be relieved can use compound metronidazole and other drugs.