STIs Flashcards
What are the 2 common pathogens causing cervicitis?
- chlamydia
2. gonorrhea
what are the 5 causes of vaginitis?
- yeast (candida)
- bacterial vaginosis
- trichomonas
- allergy/atrophy
- foreign body
What is the Ddx for mucopurulant discharge from vagina?
-chlamydia, gonorrhea, bacterial vaginosis, trichomonas, foreign body (tampon)
What are the sx of cervicitis?
- mucopurulant d/c
- asymptomatic**
- dysuria
- altered menstrual bleeding
What is the most common bacterial STI in Canada?
Chlamydia Trachomatis
What is the main complication of untreated Chlamydia?
-Pelvic inflammatory Disease (PID): infertility, ectopic pregnancy, chronic pelvic pain
What is the rx for chlamydia?
azithromycin or doxycycline
- rx partner
- reportable
- no intercourse 1 wk
What is the causal pathogen of gonorrhea?
Neisseria gonorrhea
What happens w disseminated gonorrhea?
fever, rash, tenosynovitis, polyarthralgias, purulent monoarthritis
How to rx Gonorrhea?
-Ceftriaxone IM and Azithromycin PO (bc chlamydia and gonorrhea often package deal)
- rx partner
- reportable
- no intercourse 1 wk
Bacterial vaginosis is caused by what pathogen?
Gardnerella vaginalis
What are the sx of bacterial vaginosis?
- asymptomatic, thin/gray/white d/d w fishy odour
- not STI
-non reportable
What is the rx for bacterial vaginosis?
Flagyl
What pathogen causes vaginitis trichomonas?
Trichomonal vaginalis (protozoa)
what are the sx of vaginitis trichomonas?
- Asx, or gray/green, frothy d/c w fishy odour
- vaginal/cervical erythema
How to rx vaginitis trichomonas?
- Flagyl
- rx partner
- non reportable
What are the reportable STIs (to Public Health)?
- Chlamydia
- Gonorrhea
- Trichomonas
- Syphilis
- Hepatitis B
CGTSHB
What are the signs/sx of urethritis?
mucopurulent d/c
urinary frequency, dysuria
meatal redness
Asx
What are the major pathogens causing urethritis?
- Gonorrhea (GN intracellular diplococci) 40%
- Non-gonoccoal urethritis (NGU):
- Chlamydia (15-55%)
- Ureaplasma Urealyticum (20%) - Other:
- mycoplasma genitalium
- trichomonas vaginalis
- HPV
- adenovirus (rare)
- Candida Albican (rare)
What is the rx for urethritis?
-azithromycin or doxycyline + ceftriaxone IM (if GC)
- abstinence for 7 days
- rx partner (list 60 days)
what is the main complication of untreated urethritis in men?
chronic prostatitis
What are the sx for epididymitis?
- gradual onset
- unilateral testicular pain/swelling/tenderness
- maybe fever, maybe d/c
-ddx: trauma, torsion, tumour
35 yo: 3/4 coliforms or pseudomonas
What is the rx for epididymitis?
if 35: ofloxacin
What is the ddx for genital ulcers?
- Infectious (most common):
- genital herpes HSV 1,2
- syphilis
- chancroid
- Lymphogranuloma venereum (LGV)
- granuloma inguinale - Non-infectious
- Behcet syndrome
- fixed drug eruption
- psoriasis
- sexual trauma
