Vicodin is the painkiller most closely associated with Gregory House in House M.D.
House takes Vicodin to manage chronic pain caused by an infarction in the quadriceps muscle of his right leg. The medication becomes one of the character’s defining traits and a recurring source of conflict involving addiction, medical judgment, professional conduct, and his relationships with colleagues.
Vicodin is a brand name for a prescription combination containing hydrocodone and paracetamol, also called acetaminophen. The show frequently depicts House obtaining or taking the medication, while later storylines examine the consequences of dependence and attempts to stop using it.
The character’s cane, limp, and pain are connected to the same leg injury, but Vicodin is not simply a prop or personality joke. It is part of the show’s continuing examination of how House’s physical suffering and drug dependence affect his diagnostic work and personal decisions. Other pain medicines appear in the series, but Vicodin is the signature one.