7.1 Genital tract sexually T INFECTIONS Flashcards
Name 4 commonly diagnosed STIs:
- chlamydia (49%)
- first episode genital warts (13%)
- gonorrhoea (13%)
- first episode genital herpes (8%)
Pathogen of chlamydia ?
Chlamydia trachomatis
Chlamydia pathogen type ?
obligate intracellular GN bacteria
Chlamydia:
1. typically infects where in men & women
2. can also infect where ?
- men = urethra, women = cervix/urethra
- conjunctiva , rectum, nasopharynx
% asymptomatic in women and men for chlamydia ?
women 70% , men 50%
men, women , rectal
Chlamydia presentation ?
Men
* dysuria
* urethral discharge
* epididymo-orchitis
Women
* abnormal discharge
* unscheduled bleeding
* dysuria
* cervicitis
* pelvic inflammatory disease
Rectal
* proctitis (inflammation of the lining of the rectum)
* discharge
Chlamydia management
doxycycline
Pathogen causing lymphogranuloma venereum
Chlamydia trachomatis
What is lymphogranuloma venereum associated with ?
- small skin lesion
- regional lymphadenopathy
- severe proctitis
- rectal discharge
- tenesmus (frequent urge to go to bathroom without being able to go)
- endemic of lymphogranuloma venereum which countries ?
- In US, europe, australia it’s associated with which people group ?
- african, india, SEA
- GBMSM and HIV+
Gonorrhoea pathogen ?
Neisseria gonorrhoeae
- GN diplococcus
gonorrhoea :
1. primarily affects age and population group?
2. associated with what complications ?
- < 25y and GBMSM
- pregnancy complications
men , women
Gonorrhoea presentation ?
Men
* dysuria (painful/uncomfortable urination )
* muco-purulent urethral discharge
Women
* abnormal discharge (thin, watery, green/yellow)
* dyspareunia (painful intercourse)
* endocervical discharge, cervical bleeding
Gonorrhoea management ?
ceftriaxone IM
Trichomoniasis caused by ?
protozoan parasite called Trichomonas vaginalis
Presentation of trichomoniasis that’s 2% of women
strawberry cervix
Trichomoniasis:
1. > 90% diagnosed in ?
2. Up to …% men and women are asymptomatic
- women
- 50
men, women
Presentation of Trichomoniasis
Men
* dysuria (painful urination )
Women
* abnormal discharge (classic frothy/yellow discharge, ‘fishy’ smelling )
* vulva itching / pain
* dyspareunia (painful intercourse)
Trichomonas vaginalis management ?
metronidazole
Genital herpes infection caused by ?
herpes simplex virus (HSV) - 2 types (HSV-1 and HSV-2)
Both HSV-1 and HSV-2 are causes of genital herpes infection , what is HSV-1 also associated with ?
- gingivostomatitis
- cold sores
Genital herpes reactivation associated with ?
- trauma
- UV light (e.g. sun bathing, tanning beds)
- HIV
- immunocompromise
- psychological stress
Genital herpes simplex presentation ?
- painful crops of genital blisters (clusters of blisters)
- ‘tingling’ or burning pain
- lesions localised to dermatome
- redness
- dysuria
- proctitis
Genital herpes simplex is transmission with ..1.. but infectious ….2.. shedding
- asymptomatic
- viral
Genital herpes management ?
Acyclovir
Genital warts include benign, proliferative growths in which areas ?
- genital
- perineal (area between the pubic symphysis and coccyx )
- anal
- perianal (area surrounding anus)
Genital warts is generally ..1.. but. can be ..2..
- asymptomatic
- painful
genital warts most commonly HPV genotype ?
6 and 11
Genital warts:
1. ~92% cases in ?
2. peak age of prevalence ?
3. diagnosed mainly how ?
- heterosexual men and women
- 20-24
- clinical diagnosis