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1 Genitourinary Medicine For GPs November 2007. 2 Agenda Recent changes How to take the necessary swabs Brief overview STIs What can be done in General.

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Presentation on theme: "1 Genitourinary Medicine For GPs November 2007. 2 Agenda Recent changes How to take the necessary swabs Brief overview STIs What can be done in General."— Presentation transcript:

1 1 Genitourinary Medicine For GPs November 2007

2 2 Agenda Recent changes How to take the necessary swabs Brief overview STIs What can be done in General Practice Cases

3 3 New diagnosis of selected STIs in GUM clinics, England, Wales and Northern Ireland % change Genital Warts 79,41732% Chlamydia103,680222% Gonorrhoea22,000111% Genital herpes 19,01015% Syphilus2, %

4 4

5 5 Female Swabs HVS BV (charcoal) Candida (charcoal) Trichomonas (charcoal) EndocervicalChlamydia Gonorrhoea (charcoal) Urethral 10-20% additional chlamydia Gonorrhoea HSV Herpes simplex type I and II


7 7 Overview of STIs

8 8 Chlamydia Common (3-5% sexually active females attending UK General Practice) Complications cost at least £50million annually in the UK

9 9 CLINICAL FEATURES (chlamydia) 80% Females asymptomatic PCB/IMB, abdo pain, discharge,cervicitis 50% males asymptomatic Urethral discharge, dysuria RISK FACTORS FOR INFECTION COMPLICATIONS

10 10 DIAGNOSIS (chlamydia) Women endocervical swab gives best specimen Urethral swabs will identify additional % Men urethral swab (painful!) ELISA vs PCR Urine testing

11 11 WHAT CAN I DO IN PRACTICE? (chlamydia) 1. POSITIVE RESULT BACK Treat patient Contacts need treatment Advised no SI until both partners treated Can refer to clinic for full tests Guidelines say only retest if symtomatic/possibility of reinfection at 3 weeks

12 12 TREATMENT (chlamydia) Doxycycline 100mg bd 7 days Azithromycin 1g orally as single dose Erythromycin 500mg qds 10 days (pregnancy) Ofloxacin 200mg bd 7 days

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17 17 GONORRHOEA THE CLAP CLINICAL FEATURES Women 50% asymptomatic Vaginal discharge, abdo pain, dysuria Rarely causes IMB/menorrhagia Pharyngeal infection asymptomatic >90% Men 80% discharge, 50% dysuria Rectal symptoms Signs

18 18 DIAGNOSIS (gonorrhoea) Laboratory culture Microscopy NB: Specimen collection sites

19 19 WHAT CAN I DO IN GENERAL PRACTICE? Refer any patients with confirmed GC on swabs to GUM Refer any acute urethral discharge Refer contacts of GC to GUM for treatment and ix Refer females with lower abdominal pain

20 20 TREATMENT (gonorrhoea) Cefixime 400mg oral as single dose Ciprofloxacin 500mg stat Spectinimycin 2g IM single dose Ceftriaxone 250mg IM ( pregnancy)

21 21 FOLLOW UP 2 Weeks TOC in clinic Pregnant women, symptomatic patients Check contacts have been treated/tested Be aware of possible co-infection with chlamydia

22 22


24 24 NSU Male urethritis in the absence of gonorrhoea Mucopurulent cervicitis equivalent condition in female 30-50% due to chlamydia 20% due to mycoplasma genitalium

25 25 Clinical Features Urethral discharge, dysuria, irritation (M) Vaginal discharge (usually asymptomatic) DIAGNOSISMicroscopy Swabs, check for chlamydia

26 26 TREATMENT Doxycycline 100mg bd for 7 days Azithromycin 1g as a single dose Treat contacts

27 27 GENITAL HERPES HSV 1/ 2 Common Incubation period 1-2 weeks Asymptomatic shedding Chronic condition Psychological aspects

28 28 CLINICAL FEATURES Painful ulceration, dysuria, vaginal or urethral discharge May be systemically unwell Blistering/ulceration external genitalia Inguinal lymphadenopathy COMPLICATIONS: urinary retention, aseptic meningitis

29 29 DIAGNOSIS Isolation of HSV from genital lesions Often a clinical diagnosis Serology, not routinely done

30 30 WHAT CAN I DO IN GENERAL PRACTICE? Take a viral culture swab General advice: saline bathing, analgesia, topical anaesthetic, petroleum jelly Start oral antiviral drugs (within 5 days) Aciclovir 200mg five times a day for 5 days Psychological support Arrange F/U GUM 3-4 weeks for full tests

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35 35 GENITAL WARTS Human papillomavirus (HPV) >90 genotypes Nearly always sexually transmitted Common Difficult and time consuming to treat Certain types associated with cervical dysplasia Benign epithelial skin tumours

36 36 DIAGNOSIS Most cases naked eye examination Colposcope helps May need biopsy if dx uncertain

37 37 What can I do in General Practice? Refer GUM for full assessment Will not need urgent assessment if no other symptoms present You can give warticon lotion/cream if confident of dx

38 38 TREATMENT IN CLINIC All treatments have significant failure and relapse rates Podophyllin, trichloroacetic acid, cryotherapy Home treatments are warticon and aldara (imiquimod) (HPV vaccine)

39 39

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43 43 TRICHOMONAS Flagellated protozoan Almost exclusively sexually transmitted Female symptoms: discharge, itching, odour, abdo pain % are asymptomatic Male symptoms: urethral discharge/ dysuria % asymptomatic

44 44 Diagnosis/Management (trichomonas) HVS Direct observation wet smear More difficult to culture in men Treat sexual partners simultaneously Metronidazole 400mg bd 5-7 days or 2g stat Refer GUM for full tests

45 45

46 46 Bacterial Vaginosis The commonest cause of vaginal discharge in women childbearing age Replacement of lactobacilli and raised Ph Not regarded as sexually transmitted

47 47 SYMPTOMS/SIGNS 50% women asymptomatic fishy vaginal discharge Thin/white discharge In pregnancy BV is associated with late miscarriage, preterm birth, preterm premature rupture of membranes, post partum endometritis

48 48 Diagnosis HVS Gram stain

49 49 What shall I do in general practice? Treatment is indicated for symptomatic and pregnant women You do not have to treat asymptomatic women but can offer treatment General advice re vaginal douching, use of soap etc Treatment: metronidazole 400mg bd for 5-7 days or 2g stat Clindamycin cream 2% daily 7 days, metronidazole gel 0.75% daily 5 days

50 50 Vulvovaginal Candidiasis Candida. albicans approx 90%, candida.glabrata approx 10% 10-20% women of childbearing age may harbour candida species in the absence of symptoms. They do not require rx Symptoms/signs Beware the woman with recurrent thrush Do a HVS

51 51 Management Avoid local irritants/synthetic clothing Treat with topical and oral azole therapies (clotrimazole/fluconazole) Nystatin for non albicans species No evidence to support treatment of asymptomatic male partners Recurrent candidosis

52 52


54 54 Cases

55 55 CASE 1 Kylie is a 15yr old girl who complains of intermenstrual spotting for the last 2 months. You see from her records she attended surgery 3 months ago and was prescribed mercilon. How would you manage her? ( mercilon is a low strength COCP)

56 56 Case 2 Susan is a 45 year old lady married lady. She has had three prescriptions for clotrimazole and one for oral fluconazole for her thrush. She is quite upset that she is still symptomatic. What do you do?

57 57 CASE 3 Tina is a 48 year old lady who attends surgery with a 2 day history of vulval soreness. On examination you notice a crop of blisters to the vulva. How do you proceed?

58 58 Case 4 Delia is a 32 year old woman who presents with a 5 day history of abdominal pain, discharge and painful intercourse. The pain is now so severe she is unable to have intercourse. How would you manage her?

59 59 Case 5 Frank is a 28 year old man. In the last 2 weeks he has noticed some lumps on his penis. They are not sore are itchy. He was not going to bother the doctor, but his new boyfriend made him the appointment.

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