Symptoms clear up by themselves, but the blisters can come back (an outbreak or recurrence). Symptoms might not appear for weeks or even years after you're infected with the herpes virus. tell you how long you've had herpes or who you got it from.be done if you do not have visible blisters or sores.use a small cotton bud (swab) to take some fluid from 1 of your blisters or sores for testing.ask about your symptoms and your sexual partners.The doctor or nurse at the sexual health clinic will: They'll often get test results quicker than GP practices and you do not have to pay a prescription fee for treatment.įind a sexual health clinic What happens at a sexual health clinic Many sexual health clinics offer a walk-in service, where you do not need an appointment. Sexual health clinics treat problems with the genitals and urine system. You can see a GP, but they'll probably refer you to a sexual health clinic if they think you might have genital herpes. Information: Why you should go to a sexual health clinic