Abstract: A low-dosage orodispersible opioid tablet including: 10 to 30% by weight of opioid granules, and 70% to 90% by weight of a mixture of compression excipients. The granules include 8 to 27% by weight of the opioid and 72% to 93% by weight of a mixture of diluent and binder. The mixture of compression excipients includes at least one disintegrating agent, one diluting agent, one lubricating agent, one permeabilising agent, and optionally a sweetener, a flavouring and/or a colouring, the ratio between the lubricating agent and the permeabilising agent being greater than or equal to 1, the quantity of lubricating agent being 1 to 2% by weight of the tablet, and the quantity of permeabilising agent being 0.5 to 5% by weight of the tablet. Also, the method for preparing same.