The invention provides novel dosage forms of
quetiapine and its salts, particularly
quetiapine hemifumarate including
wax dosage forms, press-coat dosage forms, and sprinkle dosage forms, and other novel dosage forms. The invention also provides sustained release and pulsed release dosage forms of
quetiapine and its salts. Methods of making novel quetiapine dosage forms are given. Methods of treating schizophenia and other neuropsychiatric disorders by administering an effective amount of the dosage forms disclosed herein, either alone or in combination with one or more other medicaments, are also provided by the invention