A 33-year-old Irish man had come to the clinic to treat the pain he suffered in the kidney area after lifting a heavy object three days earlier. The young man had a chronic history of lower back pain of a non-neuropathic type. The surprise for the specialists came when, during the exploration of their upper extremities, they came across a papuloerithematous lesion on their forearm.
What had caused the swelling? To the doctors' questions, the man confessed that he had been injecting his own semen with a hypodermic needle that he had bought online as a self-prescribed method against pain. He had had a monthly injection during the last year and a half, but he was suffering so much in that moment that he had decided to force the 'dose' and to have three punctures, intravascular and intramuscular.
The infiltration of seminal fluid had caused a bacterial infection that was treated with antibiotics.