The invention relates to a plurality of immediate release pharmaceutical dosage forms comprising Atomoxetine in different amounts and at least one pharmaceutically acceptable excipient. The amount of Atomoxetine ranges from 10mg to 100mg and each dosage form comprises the same qualitative composition. Furthermore, the strengths represent either a combination of two homologous series of weight proportional dosage forms or the combination of a series of weight proportional dosage forms with a series of dose proportional dosage forms.
