[1][2] Injuries to adults include bruised buttocks and tail bones, as well as dislocated hips have resulted from unexpectedly sitting on the toilet bowl rim because the seat is up or loose.
[3] The 2000 Ig Nobel Prize in Public Health was awarded to three physicians from the Glasgow Western Infirmary for a 1993 case report on wounds sustained to the buttocks due to collapsing toilets.
[6] In 2012, 2.3 million toilets in the United States, and about 9,400 in Canada, were recalled due to faulty pressure-assist flush mechanisms which put users at risk of the fixture exploding.
[10] In May 2016, an 11-foot snake, a reticulated python, emerged from a squat toilet and bit the man using it on his penis at his home in Chachoengsao Province, Thailand.
[11][12] Some instances of toilet-related deaths are attributed to the drop in blood pressure due to the parasympathetic nervous system during bowel movements.
It is further possible that people succumb on the toilet to chronic constipation, because the Valsalva maneuver is often dangerously used to aid in the expulsion of feces from the rectum during a bowel movement.
According to Sharon Mantik Lewis, Margaret McLean Heitkemper and Shannon Ruff Dirksen, the "Valsalva maneuver occurs during straining to pass a hardened stool.
In chapter 8 of their Abdominal Emergencies, David Cline and Latha Stead wrote that "autopsy studies continue to reveal missed bowel obstruction as an unexpected cause of death".
[14] A 2001 Sopranos episode "He is Risen" shows a fictional depiction of the risk, when the character Gigi Cestone has a heart attack on the toilet of his social club while straining to defecate.