Chlamydia Flashcards
(12 cards)
1
Q
What is the most prevalent STI?
A
Chlamydia
2
Q
What causes chlamydia
A
Chlamydia trachomatis
3
Q
Gram stain of chlamydia trachomatis
A
Gram negative bacteria
4
Q
Outline the national chlamydia screening programme
A
Aims to screen every sexually active person <25 for chlamydia annually or when they change their sexual partners
5
Q
Two types of swabs in sexual health testing
A
Charcoal swabs
Nucleic acid amplification test swabs NAAT
6
Q
Outline charcoal swabs in sexual health testing
A
- allows for microscopy (gram stain), culture + sensitives
- vulvovaginal or endocervical - chlamydia + gonorrhoea
- high vaginal swabs - BV, candida + trichomoniasis
7
Q
What can charcoal swabs confirm?
A
- bacterial vaginosis
- candidiasis
- trichomonas vaginalis
- gonorrhoea
8
Q
Outline NAAT testing in sexual health screening
A
- check for DNA or RNA of the organism
- tests for chlamydia + gonorrhoea
- order of sample preference in women: Endocervical swab, vulvovaginal swab (self taken low) or first catch
- in Men: urine test or urethral swab
- +/- rectal + pharyngeal swabs
9
Q
Presentation of chlamydia in women
A
- mostly asymptomatic 70%
- increased vaginal discharge
- pelvic pain
- intermenstrual or post coital bleeding
- dysuria
- dyspareunia
10
Q
Presentation of chlamydia in men
A
- urethral discharge or discomfort
- dysuria
- epididymitis
- reactive arthritis
11
Q
Investigation of chlamydia
A
- NAAT swabs
- women first line: vulvovaginal swab
- men first line: urine test
- 2 weeks after exposure
12
Q
Management of chlamydia
A
- first line: doxycycline for 7 days
- if contraindicated: azthromycin, erythromycin or amoxicillin
- refer to GUM clinic for contact tracing
- treat contacts prior to results of Ix
- abstain for 7 days
- advise on prevention
