Amebic Colitis and Other Anorectal Sexually Transmitted Diseases

Intestinal infectious disorders include those which are classified as sexually transmitted diseases (STD). Such disorders mainly involve the anorectal region; amebic colitis, chlamydial proctitis, rectal syphilis and condyloma acuminatum are representative ones. The causes of the visit may be symptoms such as bowel movement abnormality, hematochezia, tenesmus, lower abdominal pain, anal pain, etc.; however, asymptomatic cases are also included. The first step in diagnosis is to take a medical history, including past history, travel abroad, living circumstances, sexual behaviors, etc. Laboratory examinations and/or endoscopy may be selected in the following step; however, an anorectal examination is essential for diagnosing STDs.