The poison originated from a termite infestation in the walls of the boy's bedroom; the termites produced the chemical to protect their nest.

The eleventh episode of House M.D. 's first season, titled " Detox ," is a seminal chapter that explores the duality of addiction and medical brilliance. Centered on a double meaning—the physiological detox of a teenage patient and the self-imposed withdrawal of Dr. Gregory House—the episode serves as a character study on the necessity of House's "vices" for his survival and professional functioning. I. The Parallel Medical Narrative

This episode is famously noted as the first instance in the series where the team incorrectly suspects Lupus , establishing a long-running show trope. II. House's Withdrawal Challenge

Parallel to the medical case, Dr. Cuddy challenges House to go one week without Vicodin in exchange for a month off clinic duty.