Importance of excipients Drug is mixed with "excipients"(non-therapeutic entities)such that an accurate dose of the drug can be administered in a solid dosage form. The drug may be very potent and fillers may be required. The drug may not be easily compressed by itself and may require excipients to give it enough stickiness or plasticity for it to hold together and stay together as a solid dosage form.Importance of excipients • Drug is mixed with "excipients" (non-therapeutic entities) such that an accurate dose of the drug can be administered in a solid dosage form. • The drug may be very potent and fillers may be required. • The drug may not be easily compressed by itself and may require excipients to give it enough stickiness or plasticity for it to hold together and stay together as a solid dosage form