The invention relates to non hemolytic compositions containing an antiplatelet agent such as clopidogrel or ticlopidine; these compositions being characterized in that the antiplatelet agent is in the form of free base, and the composition contains at least one hydrophilic non ionic surfactant. The invention relates also a galenic form, a method of preparation of thereof, as well as therapeutic uses of thereof, especially in patients who suffer from undesirable effects related to hemolysis and/or gastrointestinal acidity.