Genital tract infections Flashcards
Normal vagina is colonized by what and what is the pH
Lactobacillus, <4.5
What happens to the vagina in prepubertal and post menopausal women
No oestrogen= atrophy and pH6.5-7.5 and reduced resistance to infection
What is the most commong cause of vaginal infection
Candida albicans 20%
Risk factors for candida
Diabetes, pregnancy and use of antibiotics
Symptomatic candida albicans presents as
Cottage cheese discharge, vulval irritation , itching, superfical dyspareunia, dysuria, inflamed/red vagina/vulva
How is candida diagnosed
culture
How do you treat candida infections
Topial imidazole- clotrimazole/oral fluconoazole
How does Bacterial vaginosis occur?
Normal lactobacilli overtaken by Gardenerella and mycoplasma hominis.
How does BV present?
Grey white discharge, vagina not red or itchy, fishy odour from amines released by bacterial proteolysis
How is BV diagnosed? (4)
Raised vaginal pH, typical discharge, whiff test positive and presence of clue cells on microscopy
How would you treat symptomatic BV?
Metronidazole or clindamycin cream
Complications of BV?
Secondary infection in PID and association with preterm labour.
Infection and discharge in children is usually due to?
foreign body/abuse
Retained hyperabsorbable tampons cause
Toxic shock syndrome
Principles of management of STIs (6)
Screening Regular sexual partner Partner notification Confidentiality Education Barrer method of contraception
Most commn STI in the developed world
Chlamydia trachomatis
Chlamydia presents as
Asymptomatic, urethritis vaginal discharge
Complication of chlamydia is
PID–>tubal damage and subfertility, chonic pelvic pain
Reiter’s syndrome-u,c,a
How do you investigate chlamydia
NAATs, PCR of urine
Treatment of chamydia
Azithromycin/doxyclycline
Gonorrhoea is caused by, which is
Neisseria, gram-ve diplococcous
Gonorrhoea presents in women as
asymp or vaginal discharge, urethritis, bartholinitis, cervicitis/ pelvis
Gonnorhoea presents in men as
urethritis
What are the systemic complications of Gonorrhoea
Bacteraemia/ acute monoarticular septic arthritis
Diagnosis of Gonnorhoea is made by
NAAT, but Endocervical swabs for culture for sensitivities
Gonorrhoea is now treated with
IM ceftriaxone, Abx resistance has increased to ciprofloxacin