Doctors have documented numerous cases of insertion of foreign bodies into the urethra , typically as the result of auto-erotic activities. This can result in infections and serious internal bleeding. [1] [2]
A wide variety of solid objects have been reported to have been inserted into the urethra, including batteries, safety pins, straws, [2] and telephone wires. [3] Liquefied objects have also been inserted into the urethra, such as an injection of cocaine [4] (which, arguably, had harmful results [5] [ clarification needed ]).
The Chuck Palahniuk story "Guts", from the novel Haunted , includes the story of a boy in his early teens inserting candle wax into his urethra. [6]