Thirty-three women (mean age 45 years) attending a vulval pain clinic based in a department of genitourinary medicine were followed-up for a minimum of 6 months. All women had dysaesthetic vulvodynia and 11 (33%) also had features compatible with vulval vestibulitis. Thirty-two patients were treated with a tricyclic antidepressant drug and a complete response was recorded in 47%. Only four patients obtained less than 50% improvement in their symptoms. Treatment with tricyclic drugs was part of a package of interventions including intensive support and the opportunity to take up counselling. Under these circumstances, it is difficult to attribute the success of treatment to the effect of the medication alone and there is a need for well-designed randomised controlled trials to evaluate this and other therapeutic approaches.

Patients attending the genitourinary medicine clinic at Watford General Hospital, UK, were examined for clinical signs of genital herpes infection. Genital swabs were taken from 194 patients (126 female, 68 male) who presented with genital ulceration or symptoms which were suggestive of genital herpes infection. Swabs from these patients were tested by three methods: (i) Detection of herpes simplex virus (HSV) antigen by direct HSV enzyme immunoassay (EIA), (ii) HSV isolation in Vero cell culture and (iii) HSV polymerase chain reaction (PCR). HSV was detected in 76 patients (39%) by EIA, in 93 (48%) by isolation in cell culture, and in 115 (59%) by PCR. Isolation by cell culture has been considered as the "gold standard" for the detection of HSV in genital lesions, but in this study HSV PCR was significantly more sensitive. Comparison of the three methods was as follows: Cell culture vs. PCR: Sensitivity 93/115 (80.9%), Specificity 79/79 (100%). HSV EIA vs. PCR: Sensitivity 75/115 (65.2%), Specificity 78/79 (98.7%). HSV EIA vs. Cell culture: Sensitivity 75/93 (80.7%), Specificity 100/101 (99%). EIA was less effective in detecting HSV among recurrent than among first episode infections, in comparison to culture or HSV PCR. This is the first comparison of HSV PCR with two other routine diagnostic methods for confirming genital herpes infection in a symptomatic population. The infecting HSV type was identified by restriction digestion of 108 HSV amplicons: HSV-1:37/108 (34%), HSV-2:71/108 (66%). In this population HSV-1 causes a significant proportion of genital herpes cases, and HSV-1 genital infection was detected in significantly more first episode infections (40.3%) than among recurrent infections (22.2%).

Objectives: To investigate the indications for the use of a type specific antibody test for herpes simplex virus in a department of genitourinary medicine in the United Kingdom Method: Retrospective analysis of case records of 127 patients who accepted the test during a 20 month period. Results/conclusion: The test contributed to patient management in 79% of patients with recurrent genital ulceration of unknown cause. It was also useful for counselling a number of patients with initial episodes of disease and the asymptomatic partners of some patients when the partners were shown to possess antibodies specific to herpes simplex virus type 2. When evaluating sexual partners, the test was diYcult to interpret if an isolate from the index case had not been typed. Access to viral typing may therefore be a greater priority than serological testing. As adverse psychological sequelae may follow the identification of an asymptomatic chronic infection, guidelines for the use of a type specific serological test are proposed. (Sex Transm Inf 1998;74:175-178)

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