STDS being an obvious one,accidents do happen..These are the types of STDS you can get and oh the joy they bring(note sarcasm)..
Hepititus - attacking the liver(which processes nutrients) and immune system,causing inflammmation of the liver
HIV - holistic attack of the immune system,when you get colds or flu you can die a long painful drawn out death when you get full blown AIDS..
HCV - fatigue jaundice joint pains headaches rashes,irritations,abdominal discomfort,fluid retention,depression,difficulties in concentration,and sleep disturbance..
genital warts or anal warts
syphillis - with quite painful blistering and break outs
Chancroid (Haemophilus ducreyi)
Chlamydia (Chlamydia trachomatis)
Granuloma inguinale or (Klebsiella granulomatis)
Gonorrhea (Neisseria gonorrhoeae), colloquially known as "the clap"
CMV (Human Cytomegalovirus)—saliva, venereal fluids, blood, organ transplant, urine, pregnancy, childbirth, breast milk
Viral hepatitis (Hepatitis B virus)—saliva, venereal fluids.
(Note: Hepatitis A and Hepatitis E are transmitted via the fecal-oral route; Hepatitis C is rarely sexually transmittable, and the route of transmission of Hepatitis D (only if infected with B) is uncertain, but may include sexual transmission.[
Herpes simplex (Herpes simplex virus 1, 2) skin and mucosal, transmissible with or without visible blisters
HIV (Human Immunodeficiency Virus)—venereal fluids, semen, breast milk, blood
HPV (Human Papillomavirus)—skin and mucosal contact. 'High risk' types of HPV cause almost all cervical cancers, as well as some anal, penile, and vulvar cancer. Some other types of HPV cause genital warts
Molluscum contagiosum (molluscum contagiosum virus MCV)—close contact
Crab louse, colloquially known as "crabs" or "pubic lice" (Pthirus pubis)
Scabies (Sarcoptes scabiei)
Trichomoniasis (Trichomonas vaginalis), colloquially known as "trich"