Possible potentiation by hydroxyzine of metoclopramide's undesirable side effects.
D000328:Adult; D004357:Drug Synergism; D006801:Humans; D006919:Hydroxyzine / Q000009:adverse effects*; D008297:Male; D008787:Metoclopramide / Q000009:adverse effects*
D006919:Hydroxyzine; D008787:Metoclopramide