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