Intensify hydrocodoneHow do you intensify hydrocodone? ChaCha Answer: Some people simply take more Hydrocodone to intensify the high. . Here are, based on more than a decade of experiments conducted by myself and others, some recipes for enhancing the effects of oral doses of codeine and hydrocodone. When taken with alcohol, it can intensify drowsiness. . . . . . . An experience with Hydrocodone & Methylphenidate. pretty much anything that would mess you normally will be more intense when ... more