There is no intention that this sex blog should host a long parade of sexual medical mishaps. Nor yet do I want to tread upon the ground that has been so thoroughly and famously trodden by the infamous Rectal Foreign Bodies page. However, in response to the last item Dr_Spaz was kind enough to email this link:

An unexpected benefit of pre-emptive rectal analgesic administration: the “key” to postoperative analgesia.

Moving rapidly along….