STI Flashcards
What are the three categories of STIs?
Viral
bacterial
Parasitic/fungal
What is STBBI?
Sexually transmitted and blood borne infection
What is the goal of therapy with STIs?
With respect to Fertility and pregnancy what can chlamydia impact?
preterm birth, conjunctivitis and pneumonia in newborn
With respect to Fertility and pregnancy what can Gonorrhea impact?
endometritis and pelvic sepsis, ophthalmia
neonatorum and systemic infection in newborn
With respect to Fertility and pregnancy what can syphilis impact?
systemic symptoms, fetal loss
When should pregnant people be tested for STIs?
early in pregnancy and again in third trimester if ongoing risk and treated before giving birth to decrease the risk of problems during pregnancy and delivery, and resulting complications for the baby
What is the treatment for Vulvovaginal candidiasis?
Fluconazole 150 mg PO x single dose
Topical azole antifungals – clotrimazole, miconazole, terconazole
What is the treatment for Trichomoniasis
Metronidazole 2 g PO x single dose OR 500 mg PO BID x 7 days
What is the treatment for Bacterial Vaginosis
Metronidazole 500 mg po BID x 7 days or 2 g PO x single dose
Metronidazole 0.75%
5 g PV x 5 days (x 10 days plus twice weekly x 4-6 months if recurrent)
Clindamycin 2% 5 g PV x 7 days
What type of symptoms occur with Trichomoniasis
Pruritis Odour
Off-white or yellow, frothy discharge
What type of symptoms occur with Bacterial Vaginosis
Fishy odour
Grey or milky, thin, copious discharge
What is the most common nationally reported sti in canada?
Chlamydia
With respect to chlamydia can empiric treatment be given without lab testing?
Yes!
What is the presentation of chlamydia in female genitalia?
- Cervicitis
- Vaginal discharge
- Lower abdominal pain
- Dysuria
- Abnormal vaginal bleeding
- Painful intercourse
- Conjunctivitis
- Proctitis
What is the presentation of chlamydia in male genitalia?
- Urethritis (discharge, pain)
- Urethral itch
- Dysuria
- Testicular pain
- Conjunctivitis
- Proctitis
What is the presentation of chlamydia in infants/children?
- Conjunctivitis * Pneumonia
What is the preferred treatment for chlamydia? (2)
Doxycycline 100 mg PO BID for 7 days
or
Azithromycin 1 g PO in a single dose
What is the secondary treatment for chlamydia?
Levofloxacin 500 mg PO once a day for 7 days
What is the preferred treatment for pregnant and lactating people for chlamydia? (4)
Azithromycin 1 g PO in a single dose
or
Amoxicillin 500 mg PO TID for 7 days
or
Erythromycin 2 g/day PO in divided doses for 7 days
or
Erythromycin 1g/day PO in divided doses for 14 days
What are the key counselling points for people with chlamydia?
abstain from sexual activity without barrier protection until treatment of person and partners is complete (7 days after one dose therapy, end of multiple dose therapy) and symptoms have resolved
Is Test of cure recommended for chalmydia?
Yes and repeat screening 3 months.
Sask-TOC 3-4 weeks following positive repeat testing in all individials 6 months post as re-infection risk is high
What is the presentation of primaryLGV?
3-30 days incubation
Small painless papules at site of inoculation (often unnoticed)
What is the presentation of SecondaryLGV?
2-6 weeks after primary lesion
Swelling of lymph nodes Proctocolitis
Systemic symptoms like fever, fatigue, arthritis, pneumonitis, hepatitis; rarely
cardiac involvement, meningitis , ocular inflammatory disease