Flashcards in Sexually Transmitted Infections Deck (77)
What are some factors predisposing to candida infection?
Recent antibiotic use, poorly controlled diabetes, immunocompromise
What are the two main symptoms of candida infection, in both males and females?
Itch and a white coloured discharge
Vaginal discharge which is described as being like 'cottage cheese' is most suggestive of what infection?
In females, candida infection is usually a clinical diagnosis. If necessary, what type of swabs can be used for cultures?
High vaginal swabs
What are the three main treatment options for candida infection in women?
Topical clotrimazole 1% cream, clotrimazole pessary, oral fluconazole
What treatment option for candida infection is contraindicated in pregnant women?
Recurrent vaginal candidiasis is defined as how many episodes in a year?
Four or more
Is bacterial vaginosis a sexually transmitted disease?
No (but it is much more common in sexually active individuals)
Which bacteria is responsible for causing bacterial vaginosis?
In bacterial vaginosis, the vaginal flora is taken over by which type of organism?
Describe the vaginal discharge that occurs in bacterial vaginosis?
Thin, white, homogenous
Clue cells on microscopy is most suggestive of what diagnosis?
What happens to the vaginal pH in bacterial vaginosis?
It is raised (> 4.5)
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
How is bacterial vaginosis treated?
Oral metronidazole for 7 days
What is the commonest STI in the UK?
What is the incubation period of chlamydia trachomatis?
Which organism is the following statement referring to: an obligate intracellular pathogen which does not stain with gram stain?
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
How soon after possible chlamydia exposure can testing be carried out?
Two weeks after
What is the first line treatment for chlamydia?
100mg PO doxycycline bd for 7 days
What antibiotic is used second line for chlamydia treatment?
Should contacts of confirmed chlamydia cases be offered treatment prior to the results of their investigations being known?
In men with urethral symptoms of chlamydia, which contacts should be traced?
All contacts in the four weeks prior to symptoms
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
What complication of chlamydia infection is more likely to be seen in men?
What are some risks associated with chlamydia infection in women?
PID, tubal infertility, ectopic pregnancy
Lymphogranuloma venereum is a subtype of chlamydia which is seen in who?
Those from tropical countries and MSM
How long is treatment for lymphogranuloma venereum given for?