STIs Flashcards
What causes chlamydia?
Chlamydia trachoma’s - obligate intracellular parasite (has to be inside cell to grow and divide)
8 Symptoms of chlamydia
- Nongonococcal urethritis (mucus discharge)
- Cervicitis
- Vaginal discharge
- Endometritis
- Epididymitis
- Proctits (lining of inner rectum inflamed)
- Salpingitis (inflammation of Fallopian tubes)
- Neonatal conjuctivitis (50% of children born to infected mothers)
2 Complications of chlamydia
- Infertility
2. Lymphongranuloma venereum (rare infection of lymphatic system)
Diagnosis of chlamydia
Sample and nucleic acid amplification tests (NAATs) that test for presence of chlamydia in the DNA
Treatment of chlamydia
Doxycycline 100mg twice daily for 7 days
Class of bacteria that causes Gonorrhoea
Gram negative diplococci (stain red colour)
2 symptoms in men of gonohrea
Urethritis and dysuria
2 Symptoms in women of gonorrhoea
Endocervical infection and pelvic inflammatory disease
Other symptoms of gonorrhoea
Opthalmia neonatorum (mother to baby) and Can cause lesions and swellings on hands and feet
Treatment of Gonorrhoea
Ceftriaxone 500mg IM single dose with azithromycin
What is the causative agent of syphilis
Treponema pallidum. Gram -ve (red)
Symptoms of primary syphilis
Primary lesion (chancre) at site of inoculation approx 3 weeks after exposure that heals without treatment after2-6 weeks
Symptoms of secondary syphilis
Red, maculopapular rash and condylomata late (wart-like lesions) in anogenital region
Symptoms of tertiary syphilis
Dementia (irrational behaviour). Gummata, inflammatory nodules or plaques, locally destructive, typically found on skin but can occur in any region.
Who gets tertiary syphilis?
80% enter latent phase, 40% of whom develop tertiary syphilis.
