Sounds like a yeast infection. You could try OTC products, but as always the best results will come from an apoointment with your primary care physician who could ensure that it is infact a yeast infection and prescribed stronger medications as opposed to OTC ones,
sounds like gardnerella or also knowen as bacteria vaginosis. need anibiotics and is not sexually transmited. you should get tested for s.t.d's anyway, not enough people look aftre there health down there these days and it is betta to no, having a wash out with salt water can help but eventially you will prob still need to go to a doc