Vaginal ph

Does genital herpes change your vaginal ph? If it does does it make it high or low? Those that were diagnoised did your have a vaginitis culture done first? If you did was your lactobacillus species normal? 

Herpes can cause or is linked with BV, which means an alkaline vaginal pH.

My ph was 4.0 durning my suspected yeast infection.  Still unsure herpes or yeast