Abstract: The invention relates to a self-destructing syringe. The purpose of the inventive syringe is to prevent subsequent re-use once it has been used. Said syringe comprises a plunger (9) which can be broken in the lower part (4) thereof. The upper part (3) of the aforementioned plunger (9) comprises a cavity which is used to house a needle therein. The body (8) of the syringe is provided with a series of projecting elements (1) which are used to fix the cylindrical part (7) or cap in order to prevent needlestic accidents.