Vaginal odor is a very common problem that most women have to deal every now and then. It can be caused by a number of reasons, such as bacterial growth, yeast infections, poor hygiene, hormonal changes, and sexually transmitted diseases. If the problem is due to infection, there may be symptoms like redness, itching, burning and irritation in the vaginal area. Fishy odor down there, in particular, is caused by bacterial vaginosis. In that case those remedies also help but you should look further into it.