My girlfriend has googled a problem with her vagina (smells but no discharge) itching thinks she has vaginosis is it still safe for us to have sex?

Vaginal Itch: Although vaginal itching is the hallmark of yeast infections and other vaginal infections (including sexually transmitted diseases, stds), itching in the vagina and vulvar areas has multiple causes. Vaginal itching can also arise due to chemical irritants that may be found in detergents or soaps, douches and vaginal creams, toilet paper, bath products, & feminine hygiene products, .