I was given metronidazole to treat Bacterial Vaginosis for twice a day for 5 days, it worked within the 2-3 day the odor cleared up, no itching nothing, however after i finished what i was prescribed to take, i started to have dryness and was itching again , i have phoned the GUM and im not happy with the responce I had as they gave no help or information , but told me to wait until my other results come back for sti's, I dont understand because the treatment has worked but now that ive finished for about 3 days its itchy and is dry,. ive heared it can be recurring and yeast infection can occur , any ideas what it coule be? thanks,.. pleasssee help:(. realy annoyed with the nurses not being able to help or give advice.