Thanks for your query and concern. Vaginitis or vaginal infections are caused by a number of causes. Fungal or yeast infections are caused by a yeast called Candida and can be treated using an antibiotic like fluconazole or using some anti-fungal creams. Vaginitis caused by bacteria is called bacterial vaginosis, which can be treated with antibiotic- metronidazole. Other organisms that cause infection are herpes, campylobacter, parasites and those occur due to improper hygiene practices. Your doctor can easily find out the issue and can give you exact diagnosis and treatment. Treatment is given according to the diagnosis. Consult him again or some another doctor and get well soon.