A single-use cartridge for a medication delivery device, comprises a body element (1) having a proximal end and a distal end, a dispensing means (5), and a deformable capsule (3) containing medication. The capsule (3) is disposed inside the body element (1) and has a skin which encases the medication. The capsule (3) is configured to be pushed in the distal direction against the dispensing means (4) so that the content of the capsule (3) is dispensed.