The invention relates to a nebulizer (1) comprising an aerosol generator (6), a nebulizing chamber (5) and an outlet (16), the aerosol generator (6) being designed to release an aerosol into the nebulizing chamber (5) and the outlet (16) being designed to allow the removal of the aerosol from the nebulizing chamber (5). To achieve a high output rate, a wetting surface (2) is provided in the nebulizing chamber (5).