go to someone's head

/G OW1 T UW0 S AH0 M W AH0 N EH0 S EH0 D/
verb
  1. 1

    To strongly affect a person, especially to the detriment of his or her senses or mental faculties.

Source: https://en.wiktionary.org/wiki/go%20to%20someone's%20head