STI's Flashcards
What is a commensal microorganism?
A micro-organism that derives food or other benefits from another organism without hurting or helping it
What is a pathogen
A micro-organism that can cause disease
What is an infection?
The invasion of all or part of the body by a micro-organism
Name some STI’s (10)
Syphilis- treponema pallidum pallidum Gonorrhoea- neisseria gonorhoeae Chancroid- heamophilus ducreyi Chlamydia- chlamydia trachomatis Donovanosis- Klebsiella granulomatis Herpes- herpes simplex virus Mgen-Mycoplasma genitalium HIV- human immunodeficiency virus HPV- human papilloma virus Molluscum contagiosum virus Crabs- Pthirus pubis scabei- Sarcoptes scabei Trichomonas vaginalis
What are some characteristics of STI’s?
Thy’re transmissible
Asymptomatic most of the time
All manageable but not always curable
Avoidable
What are the different ways STI’s can spread?
Group sex Anal sex Vaginal sex Oral sex Touching someone else's genitals with your genitals Mutual masturbation
What are some symptoms of STI’s?
ulceration, lumps, discharge, rashes
What are some systemic symptoms and outocmes of STI’s
Fever Rash Lymphadenopathy Malaise Infertility Cancer (cervical from HPV) Syphilis can cause adverse pregnancies
What are some tests fro STI’s?
Nucleic acid amplification tests
Enzyme immunoassays for chlamydia
What are the principles of management of STI’s?
Take a good history
Notify partner
HIV testing
Health promotion
What is involved in a sexual history?
When did you last have sexual contact Casual contact vs regualr partner Male or female NAture of sex Did you use condoms Other contraception Nationality of contact
What are the goals of a sexual history?
Possible cause of symptoms
Detecting high risk behaviour and advising and reducing future risk
Tracing contacts
WHat specific questions do you ask men? (5)
Sex with a man? Injected drugs? Sex with someone outside UK Medical treatment outside UK? Involvement with sex industry (prostitutes)
What are the two ways of contacting partners?
Client referral
Provider referral
What good sexual practices are promoted?
Condoms
Sex education (condoms cant stop herpes and warts)
Oral sex carries risk too
Alcohol and other drugs make things worse
