Abstract: Hydrosoluble salts of paracetamol with an amine, in particular with a piperazine represented by the formula:- ##SPC1##(in which R.sub.1 and R.sub.2, which may be the same or different, are each a hydrogen atom or a lower alkyl group), and pharmaceutical compositions containing at least one of these salts as active ingredient in association with a physiologically acceptable aqueous medium, for example in orally administrable forms, such as effervescent compounds, soluble powders, syrups, or in parenterally administrable forms, such as injectable solutions, making it possible to administer high doses of paracetamol in aqueous solution.