Occam's Razor

S1, E3: When a college student collapses after a bout of raucous sex with his girlfriend, Dr. House and his team scramble to figure out why. He’s got too many symptoms to add up to just one disease and soon his immune system is so perilously compromised a simple cold could kill him. As his condition deteriorates quickly, House needs to think - and get more Vicodin. But when Wilson nags House about his nasty pill habit it proves extremely useful to House, just not in the way Wilson intended.