Women's Health: Sexually Transmitted Infections Flashcards
How do you differentiate the STIs producing white discharge?
Candida // bacterial vaginosis
Thick // thin
Itch // KOH addition makes fish smell
What are the risk factors for candida?
High oestrogen
Altered immunity: antibiotics, T2DM, Immuncompromised
How do you diagnose and treat candida infection?
high vaginal swab
- Oral fluconazole 10mg
- Clotrimazole 500mg pessary
How do you manage recurrent candida?
Blood glucose to exclude diabetes
Oral fluclonazole every 3 days for 3 doses
THEN Oral fluclonazole weekly for 6 months
How do you investigate bacterial vaginosis?
3/4 Amsel’s criteria
- Thin, white discharge
- Vaginal pH >4.5
- Positive Whiff test
- Strippled vaginal epithelial cells (clue cells) on microscopy
How do you treat bacterial vaginosis?
Oral metronidazole 5-7 days
top met/clindamycin are alternatives
What organism tends to be the cause of bacterial vaginosis?
Gardnerella vaginalis
What is the significance of bacterial vaginosis in pregnancy?
Risk of preterm, low birth weight and choriomanionitis
Still give metronidazole
How does trichomonas vaginalis compare to bacterial vaginosis
Also has smelyl discharge but is frothy yellow not white
Very itchy
Vulva ulceration + ‘strawberry cervix’
How do you investigate trichomonas vaginalis?
High vaginal swab and PCR/NAATs to exclude differentials
wet mount microscopy shows motile trophozoites
How is trichomonas vaginalis treated?
Oral metronidazole 5-7 days OR one off 2g dose
How do chlamydia and gonorrhea compare in terms of…
Pathogen
Discharge
Pain
Gonorrhea // Chlamydia
GM -ve diplococcus // GM -ve intracellular
Green, odourless // pus-like +/- intermenstrual bleeding
urination, defecation // F: intercourse + cervicitis; M: urination, testicular
What are the investigations for differentiating chlamydia and gonorrhea?
NAAT using swab for females, first pass urine for males
3 days after gonococcal infection
2 weeks after chlamydial
Then culture for sensitivity
How do you treat
Gonorrhea
Chlamydia
G: Ceftriaxone 500mg IM OR Cefixime 400mg PO + Oral azithromycin 2g
C: Oral doxycycline 100mg BD (7 days) OR Oral azithromycin 1g then 500mg two days
A sore wrist, spreading joint pain and a rash in a young adult raises suspicion of what?
Disseminated gonococcal infection
Need to admit to ID