Based on the information, it seems like you are having Bacterial vaginosis
Bacterial vaginosis is the name of a condition in women where the normal balance of bacteria in the vagina is disrupted and replaced by an overgrowth of certain bacteria. It is sometimes accompanied by discharge, odor, pain, itching, or burning.
You will need to visit near by physician as you will need antibiotic treatment.
You need to follow, below mention precaution.
1) Be abstinent for sex.
2) Limit the number of sex partners. (if having multiple)
3) Do not douche.
4) Use all of the medicine prescribed for treatment of BV, even if the signs and symptoms go away.
Hope it helps. Please have an antibiotics to have it treated.