Chlamydia: bacterial; symptoms: urethritis, unusual discharge, abdominal/rectal/testicular pain (20% women show, 10% men show)
Trichomoniasis:parasite; easily treated; symptoms: unusual discharge (70% women have none)
Gonorrhea: bacteria; mostly asymptomatic but symptoms: urethritis, painful urination, abdominal discomfort, uterine bleeding
Syphilis: bacteria; infections asymptomatic for 2-3 weeks, then disappears, then pink rash/fever/joint pain appears
^Treatment: penicillin
Human Papillomavirus (HPV): cause of genital warts, also be cause of some penile, anal, and oropharyngeal cancer
-Vaccination is available
Genital Herpes: cause by herpes simplex virus, most difficult pathogen to cure (only 15% show infection)
^Treatment: antiviral drugs can reduce duration and intensity of flare-ups