Lecture 6 - Sexually transmitted infections Flashcards
Most common STI in uk
Chlamydia
Symptoms of chlamydia
asymptomatic in men - 50% and women - 80%
reactive arthritis
infants - prematurity, pneumonia, conjunctivitis (blindness)
epidydymitis and pelvic inflammatory disease
What is Gonnorrhoea caused by
neisseria gonnorrhoea
symptoms of gonnorhoea
asymptomatic in 50% of women and 80% of men
urethral/vaginal discharge
Origin of HIV
West-central africa
evolved from Simian immunodef virus
what does it cause
cd4 lymphocyte count increase on primary infection then gradual decrease
symptoms of hiv
lifelong disease
can have flu-like illness at initial infection
latency period - asymptomatic
if untreated - immunodeficiency - opportunistic infection
death - 11 years if untreated
treatment
highly active Anti-retroviral therapy
Pregnant women with HIV
all women should be on HAART
can have a vaginal birth if viral load less than 50 HIV RNA at 36 weeks
should not breast feed
syphilis
88 per cent in men
Men who have sex with men
symptoms of syphilis
primary, secondary, latent and tertiary
-primary - single chancre - firmless, painless, non-itchy ulceration
secondary syphilis
diffuse ras - palms, hands, soles of feet. sores in mouth and vagina
latent syphilis
little or no symptoms - can last for years
tertiary syphilis
gummas - soft non-cancerous growths, neurological or heart symptoms
treatment for syphilis
depends on stage of diagnosis
penicillin
