A cartridge for extracting a beverage by injecting a fluid, comprising a containment body which is adapted to contain a substance from which the beverage is to be extracted and is adapted to receive the fluid, the containment body comprising at least one opening for the outflow of the beverage, which is adapted to prevent an increase in hydraulic pressure inside the cartridge when the fluid is injected, the containment body further comprising a plurality of raised portions for hindering the flow of the beverage, which are arranged in a mutually offset arrangement around the outflow opening.