What are the medical risks with oral anal, and anal sex?

Depends. Are you talking same sex or opposite sex experience? Oral sex is usually w/out major risks unless the male is infected and may infect the recipient. The two most commonly encountered infections are hpv and gonorrhea. Anal sex if no condom used may lead to contamination of the penis with rectal flora resulting in infection. Also, microtraumas of the rectum are common (bleeding/hemorrhoids etc.).