Modular and automatic dispenser for medicine comprising: - a chassis; - a storage system comprising: - at least one removable dispenser module comprising a wrapper (10.3) encircling a storage divider (10.8) and comprising an opening (10.7) at the bottom; and - a housing; - a delivery system which comprises a medicine router positioned under the dispensing module and a delivery cup placed under the router; - the dispenser module comprises a guide (10.4) located at the bottom of the dispenser module; - the housing: - has a format substantially complementary to the format of the guides (10.4); - comprises rails configured to receive the guides (10.4); and - comprises guide (10.4) fixing mechanisms that allow coupling and uncoupling of the dispenser module; - the dispenser module is fixed in the housing in a substantially vertical position; characterised in that: - the dispenser module comprises: - a counting sensor which checks if the medicine units have left the dispensing module; - a weight sensor which ascertains if the medicine units have been delivered to a delivery cup; - a delivery cup presence sensor which confirms if the delivery cup has already been removed or is still in the medicine dispenser; and a vibration motor which is activated if the counting sensor does not detect the passage of the medicine units. - a chassis; - a storage system comprising: - at least one removable dispenser module comprising a wrapper (10.3) encircling a storage divider (10.8) and comprising an opening (10.7) at the bottom; and - a housing; - at least one removable dispenser module comprising a wrapper (10.3) encircling a storage divider (10.8) and comprising an opening (10.7) at the bottom; and - a housing; - a delivery system which comprises a medicine router positioned under the dispensing module and a delivery cup placed under the router; - the dispenser module comprises a guide (10.4) located at the bottom of the dispenser module; - the housing: - has a format substantially complementary to the format of the guides (10.4); - comprises rails configured to receive the guides (10.4); and - comprises guide (10.4) fixing mechanisms that allow coupling and uncoupling of the dispenser module; - has a format substantially complementary to the format of the guides (10.4); - comprises rails configured to receive the guides (10.4); and - comprises guide (10.4) fixing mechanisms that allow coupling and uncoupling of the dispenser module; - the dispenser module is fixed in the housing in a substantially vertical position; - the dispenser module comprises: - a counting sensor which checks if the medicine units have left the dispensing module; - a weight sensor which ascertains if the medicine units have been delivered to a delivery cup; - a delivery cup presence sensor which confirms if the delivery cup has already been removed or is still in the medicine dispenser; and a vibration motor which is activated if the counting sensor does not detect the passage of the medicine units. - a counting sensor which checks if the medicine units have left the dispensing module; - a weight sensor which ascertains if the medicine units have been delivered to a delivery cup; - a delivery cup presence sensor which confirms if the delivery cup has already been removed or is still in the medicine dispenser; and a vibration motor which is activated if the counting sensor does not detect the passage of the medicine units.