Sexually Transmitted Infections (STIs) Flashcards
STIs
infection that is transmitted through sexual contact (anal, oral, vaginal)
what is the causative agent for syphilis?
treponema pallidum
what is the mode of transmission for syphilis?
sexual contact
blood transfusion
placental transmission
describe the primary stage of syphilis
incubation period: 10-90 days
painless chancre
describe the secondary stage of syphilis
rash, lesions
test will show up positive
describe the latent stage of syphilis
“hidden stage”
describe the late/tertiary stage of syphilis
damage to internal organs
what are the diagnostic techniques for syphilis
physical, medical history, confirmed lab test
nontreponemal
indirectly measures antibodies
treponemal
directly measures the antibodies
treatment for syphilis
penicillin
characteristics of chlamydia
most frequently reported infectious disease
age group 18-24
incubation period: 7-14 days
causative agent of chlamydia
chlamydia trachomatis
modes of transmission (chlamydia)
sexual contact
placental transmission
signs/Sx (chlamydia)
“silent infection”
M: 90% asx
F: 70-95% asx, bleeding bw periods
Both: opaque discharge, urethral itching, burning during urination
diagnostic techniques (chlamydia)
tissue cultures
cytology
antigen detection via serology
treatment (chlamydia)
azithromycin
amoxicillin
doxycycline
erythromycin
contact history (chlamydia)
60 days prior to onset of symptoms or last sexual encounter
characteristics of gonorrhea
incubation period: 2-7 days
“clap”
causative agent (gonorrhea)
neisseria gonorrhoeae