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Flashcards in Sexually Transmitted Infections Deck (77)
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1

What are some factors predisposing to candida infection?

Recent antibiotic use, poorly controlled diabetes, immunocompromise

2

What are the two main symptoms of candida infection, in both males and females?

Itch and a white coloured discharge

3

Vaginal discharge which is described as being like 'cottage cheese' is most suggestive of what infection?

Candida

4

In females, candida infection is usually a clinical diagnosis. If necessary, what type of swabs can be used for cultures?

High vaginal swabs

5

What are the three main treatment options for candida infection in women?

Topical clotrimazole 1% cream, clotrimazole pessary, oral fluconazole

6

What treatment option for candida infection is contraindicated in pregnant women?

Oral fluconazole

7

Recurrent vaginal candidiasis is defined as how many episodes in a year?

Four or more

8

Is bacterial vaginosis a sexually transmitted disease?

No (but it is much more common in sexually active individuals)

9

Which bacteria is responsible for causing bacterial vaginosis?

Gardnerella vaginalis

10

In bacterial vaginosis, the vaginal flora is taken over by which type of organism?

Anaerobic bacteria

11

Describe the vaginal discharge that occurs in bacterial vaginosis?

Thin, white, homogenous

12

Clue cells on microscopy is most suggestive of what diagnosis?

Bacterial vaginosis

13

What happens to the vaginal pH in bacterial vaginosis?

It is raised (> 4.5)

14

Explain what is meant by a positive 'whiff test' in patients with bacterial vaginosis?

Adding 10% potassium hydroxide to the discharge produces a fishy odour

15

How is bacterial vaginosis treated?

Oral metronidazole for 7 days

16

What is the commonest STI in the UK?

Chlamydia

17

What is the incubation period of chlamydia trachomatis?

7-21 days

18

Which organism is the following statement referring to: an obligate intracellular pathogen which does not stain with gram stain?

Chlamydia trachomatis

19

What is the investigation of choice for diagnosing chlamydia? Where are samples taken from in both males and females?

NAATs- vulvovaginal swabs are used in females, first pass urine samples are used in males

20

How soon after possible chlamydia exposure can testing be carried out?

Two weeks after

21

What is the first line treatment for chlamydia?

100mg PO doxycycline bd for 7 days

22

What antibiotic is used second line for chlamydia treatment?

Azithromycin

23

Should contacts of confirmed chlamydia cases be offered treatment prior to the results of their investigations being known?

Yes

24

In men with urethral symptoms of chlamydia, which contacts should be traced?

All contacts in the four weeks prior to symptoms

25

In women, and asymptomatic men, with chlamydia, which contacts should be traced?

All partners from the last 6 months, or the most recent sexual partner

26

What complication of chlamydia infection is more likely to be seen in men?

Reactive arthritis

27

What are some risks associated with chlamydia infection in women?

PID, tubal infertility, ectopic pregnancy

28

Lymphogranuloma venereum is a subtype of chlamydia which is seen in who?

Those from tropical countries and MSM

29

How long is treatment for lymphogranuloma venereum given for?

3 weeks

30

What organism is responsible for causing gonorrhoea?

Neisseria gonorrhoeae