STI booklet Flashcards
Here are the major STIs, match them with a causative organisms:
- Gonorrhoea
- Chlamydia
- Trichomoniasis
- Anogenital Warts
- Herpes
- Syphilis
- Neisseria Gonorrhoea
- Chlamydia Trachomatis
- Trichomonas Vaginalis
- HPV 6 & 11
- HSV 1 & 2
- Treponema Pallidum
Which STI is characterised by a thick yellow discharge along with IMB/PCB?
Gonorrhoea
You suspect gonorrhoea, how do you check?
Swab for culture, staining & NAAT
What Abx are used in treatment of Gonorrhoea?
Ceftriaxone & Azithromycin
Ceftriaxone also used for Neisseria Meningitidis
(Azithromycin also used for chlamydia)
What complications of gonorrhoea would you warn your patient about?
- PID
- Ectopic pregnancy
- Bartholin’s accesses
- infertility
MEN
- Epidydimitis
BOTH - mono arthritis of shoulder or elbow - disseminated: skin lesions Polyarthalgia septic arthritis
Which STI is characterised by a watery discharge, dysuria & IMB/PCB?
Chlamydia
How do you confirm Chlamydia and treat it?
Swab or urine for NAAT
Azithromycin & Doxycyclin
What risks come with chlamydia infection?
- PID
- Epidydimitis
Infertility
Conjunctivitis
Reactive Arthritis (Reiter’s Syndrome)
Urethritis
Which STI is characterised by itching & burning sensation + vesicles & ulcers & dysuria?
Herpes
Can also cause inguinal lymphadenopathy
Flu like symptoms
Neuralgic back, pelvic & leg pain
How do we confirm Herpes and treat it?
Clinical diagnose +/- swab for PCR
Aciclovir + Lidocaine ointment
Which STI is characterised by thin green frothy discharge & foul smell?
Trichomoniasis
A parasitic infection
how do you confirm Trichomoniasis and treat it?
Vaginal Swab for PCR
Metronidazole (just like other parasitic infections e.g. Giardia Lamblia)
How do we diagnose and treat Anogenital warts?
Clinically but can biopsy if unsure
Imiquimod
Podophyllotoxin
Cryotherapy
Diathermy
Who gets Syphilis?
MSM
How do you spot syphilis?
Early you get a local ulcer
Secondary syphilis can cause rash, mucosal ulcer, neuro symptoms or alopecia
Tertitary can also neuro, CV or gum symptoms
How would you confirm and treat syphilis?
Clinical + Serology + PCR ulcer
Doxycycline or Benzyl Penicillin
What does metronidazole treat?
- Bacterial Vaginosis (With clindamycin)
- Trichomoniasis
What does doxycycline treat?
Syphilis( With Benzyl penicillin)
Chlamydia (With Azithromycin)
What does Azithromycin treat?
Chlamydia (With doxycylcin)
Gonorrhoea (with ceftriaxone)
What is the incubation period for neisseria gonorrhoea?
5-6 days
range 2 days to 2 weeks
what is the incubation period from HSV?
5 days to a few months
what is the incubation period for Syphilis ?
9 to 90 days
complications of herpes?
autonomic neuropathy
neonatal infection
secondary infection
HSV2 associated with HIV
epidemiology for:
- Gonorrhoea
- Chlamydia
- Herpes
- Trichomoniasis
- Anogeniral warts
- Syphillis
- Gonorrea: common 120cases per/y
- Chlamydia: very common- 2000cases per year
- HSV: 15-20% of the population
- Trichomoniasis- uncommon
- HSV: very common- 90% of population. Only 20% of population has wart like symptoms
- Syphillis: 20 cases per year
Syphillis different stages?
Primary: Local ulcer (Chancre) Secondary: o Rash o Mucosal ulceration o Neuro symptoms o Patchy alopecia o Other symptoms
Early latent
o No symptoms but <2 years since caught
Late latent
o No symptoms but >2 years since caught
Tertiary
o Neuro, cardio or gummatous
o Skin lesions
Complications of syphillis?
o neurosyphilis – cranial nerve palsies are commonest
o cardiac or aortal involvement.
o Congenital syphilis (extremely rare in Scotland).
