Captain Defenestrator

Question: How exactly were the doctors able to reverse the effects and undo the Ludovico technique that Alex was subjected to?

Socks1000

Chosen answer: We're never given details. Possibly electroshock therapy or somehow purging his system of the Ludovico formula.

Captain Defenestrator

Answer: When Alex jumped out of the window, the shock of the fall snapped him out of the Ludovico technique.

michael g

He mentions later that he's been having dreams of someone picking through his brain. This is the government undoing the treatment.

Captain Defenestrator