Pharmaceutically, solutions are aqueous liquid preparations in which one or more substances are completely dissolved.

For preparations included in this list see: Liquor Acidi Arsenosi, under Arseni Trioxidum. Liquor Alumini Acetatis, under Alumini Acetas. Liquor Ammonii Acetatis, under Ammonii Acetas. Liquor Arseni et Hydrargyri Iodidi, under Arseni Trioxidum.

Liquor Calcis, under Calx. Liquor Cresolis Compositus, under Cresol. Liquor Formaldehydi, under Formaldehydum. Liquor Magnesii Citratis, under Magnesii Citras. Liquor Plumbi Subacetatis, under Plumbi Acetas. Liquor Potassii Arsenitis, under Arseni Trioxidum. Liquor Potassii Hydroxidi, under Potassii Hydroxidiun. Liquor Sodae Chlorinatae, under Calx Chlorinata. Liquor Sodii Hydroxidi, under Sodii Hydroxidum. Liquor Zinci Chloridi, under Zinci Chloridum.