Hello,
From your history and symptoms,your vaginal intense itching may be due to two reasons one is as u suspecting
vaginal fungal infection other one is as per your past history
genital herpes.You didnt mentioned your age and you are having
vaginal discharge or not.
Vaginal fungal infection is common in diabestes,you may check your blood sugar level.
if you are not taking medicine for genital herpes,start taking medicines regularly.
You may use monistat vulval cream (
miconazole cream) for itching vulva,you have to use for seven days,if you have vaginal fungal infection you will get releif even with in one day but still you have to use this cream for 7 days.
If you have vaginal discharge,
Keep your genital area clean and dry.
Avoid douching
Eat yogurt
Avoid using feminine hygiene sprays, fragrances, or powders in the genital area.
Use pads and not tampons.