Sexually Transmitted Infections Flashcards
What are the single most important cause of reproductive disorders?
STIs
Chlamydia
Most common bacterial STI in the US; caused by chlamydia trachomatis
Newborns picking up chlamydia bacteria from birth canal can develop:
Conjunctivitis, respiratory tract inflammations
Trichomoniasis
Parasitic infection that is more common in women than men; yellow-green vaginal discharge with strong odor
Gonorrhea
Bacterial infection of mucosae of reproductive and urinary tracts; caused by neisseria gonorrhoeae
Gonorrhea symptoms in males
urethritis, painful urination, discharge of pus from penis; untreated can cause urethral constriction and inflammation of duct system
Gonorrhea symptoms in females
Abdominal discomfort, vaginal discharge, abnormal bleeding and possible urethral symptoms; untreated can result in pelvic inflammatory disease and sterility
Gonorrhea treatment
Antibiotics, but resistant strains are becoming prevalent; treatment with at least two antibiotics is now required
Syphilis
Bacterial infection transmitted sexually or congenitally; caused by treponema pallidum; bacteria invades mucosae or broken skin
Syphilis symptoms
painless chancre appears at site of infection; if untreated, pink skin rash, fever, and joint pain
Syphilis can enter __ ___ which may or may not progress to ___ ___
Latent period, tertiary syphilis
Tertiary syphilis
Characterized by gummas, lesions that develop in CNS, blood vessels, bones, and skin
Syphilis treatment
Penicillin
Human Papillomavirus (HPV)
Cause of genital warts, one of most common viruses in US
Genital Herpes
Caused by herpes simplex virus; one of most difficult human pathogens to control because most don’t know they’re infected
