STI testing (guidance)

Question 1

Asymptomatic patient - when should hep A be tested for?

Answer 1

MSM if local outbreak
IVDU
co-infection with HBV, HCV or HIV

Question 2

Asymptomatic patient - when should hepatitis B be tested for?

Answer 2

Sex:
MSM
CSW
sexual assault
sexual partner with HBV or high risk of
Other:
IVDU
needle stick
if mother with HBV
born in a country with prevalence

Question 3

Asymptomatic patient - when should hep C be tested for?

Answer 3

IVDU
HIV + MSM
needlestick
if mother with HCV

Question 4

What routine STI test is indicated for a woman who has sex with women (WSW)?

Answer 4

no routine unless previous heterosexual contact

Question 5

If treating for gonorrhoea, or contact of, what in addition to NAAT must be taken?

Answer 5

Cultures from all sites

Question 6

What is the is the only site tested for GC/CT NAAT in heterosexual men?

Answer 6

first pass urine (could be urethral swab)

oral sex does not require pharyngeal swab

Question 7

What test should be performed on ALL genital ulceration?

Answer 7

HSV PCR

Question 8

What tests should be done, if available, for syphilis in genital ulceration?

Answer 8

Minimum - Serology and follow up after window period
dark ground microscopy
TP PCR

Question 9

When should microscopy of rectal swab be performed?

Answer 9

proctitis

Question 10

When should rectal swab be sent for HSV PCR?

Answer 10

proctitis

Question 11

When should rectal swab be tested for LGV CT?

Answer 11

proctitis OR HIV+

Question 12

Swab of which female site should be performed for microscopy if GC/CT suspected?

Answer 12

Cervix

Question 13

What is the benefit of microscopy of a high vaginal swab in vaginal discharge?

Answer 13

Look for BV or candida

Question 14

What benefit is a wet mount slide for microscopy?

Answer 14

To look for trichomonas vaginalis

Question 15

MSM at high risk of STIs should be tested every 3 months - what does high risk include?

Answer 15

unprotected sexual contact (oral, genital, anal) with new partner
new STI diagnosis
drug use inc EToH

Question 16

What route of advertising is particularly effective at making MSM aware of STI testing services?

Answer 16

Social media