At 1-week intervals , subjects received six different treatments : ( i ) placebo ; ( ii ) alcohol 0.8 g/kg alone ( ALC ) ; ( iii ) ALC in combination with : bilastine 20mg ( B20 + A ) ; ( iv ) bilastine 80mg ( B80 + A ) ; ( v ) cetirizine 10mg ( CET+A ) ; and ( vi ) hydroxyzine 25mg ( HYD+A ) .