Tamper-resistant tablet providing immediate drug release

The invention relates to a tamper-resistant tablet comprising (i) a matrix material in an amount of more than one third of the total weight of the tablet; and (ii) a plurality of coated particulates in an amount of less than two thirds of the total weight of the tablet; wherein said particulates comprise a pharmacologically active compound and a physiologically acceptable polymer, preferably a polyalkylene oxide; and form a discontinuous phase within the matrix material; which preferably provides under in vitro conditions immediate release of the pharmacologically active compound in accordance with Ph. Eur.; and method of using said tablet to treat pain and other conditions.