Hi,
The area infected with genital herpes is known to itch for prolonged period of time even after the sores have healed. The sign such as stinging sensation, sore throat and flu may be the sub clinical reinfection by herpes .Herpes commonly has re-infection which may be symptomatic or asymptomatic.
The following treatment options can be used to reduce the itching due to herpes.
1) Use over the counter drugs like Tab citrizine, 3 times a day, which helps in reducing the itch.
2) try to avoid scratching as best as you can, as it relieves the itching also helps in maintain the sanitation.
3) Wear loose fitting clothes.
4) Certain home remedies like camphor and menthol have known to be effective.
5) It's imperative that you maintain a good diet and exercise to improve the immune status and prevent the recurrences of herpes.
Thank you.