Since 2-3 months I've been having severe vaginal itching, redness and severe to occasional thick white discharge. I've seen the gynaecologist thrice, completed the given course. But it starts again after some days. I've taking the measures my doctor has suggested me to take. First I thought it was yeast infection but now, Although I've only one sexual partner since 5 years now. I'm worried that it's herpes. I know for sure he also doesn't have any other sexual partners. Please help.