You can use apple cider vinegar. Take one tablespoon and dilute it in a cup of warm water. Then you want to use this as a topical wash on the vulva and in the vagina area. When you use this there maybe a stinging sensation or a numb feeling which will subside.
Eating yogurt helps with vaginal itching. Vaginal itching is sometimes caused by a buildup of bacteria, so the active cultures in yogurt can restore the correct balance in the vagina.
You will find the best remedy is probiotics and prebiotics. They sell something called Pearls that help a lot. It's just a small pill that you take orally. It works better than antibiotics because it helps the good bacteria grow instead of killing it all.