“…These complications did not receive much attention in literature, because they are usually harmless, clinically not relevant, and, therefore, do rarely lead to the necessity of discontinuation of VPA treatment [8,9]. In a recent review of the literature, Heuberger et al [8] only found 37 cases of clinically relevant thrombocytopenia in patients treated with VPA. The platelet count ranges between 5,000 and 80,000/Ìl in these cases, and discontinuation of VPA treatment was the measure of choice in almost all of these patients [8].…”