Method for the treatment of articular diseases or articular pain, or for the treatment of skin, which comprises the infiltration or the application of a compound that comprises at least one blood-derived substance, which is preferably a blood plasma in general, and in particular a platelet-rich plasma (PRP), and preferably a plasma rich in growth factors (PRGF), and/or a supernatant of any of the aforementioned plasmas. The inventive method enables the significant relief and even regeneration of the treated areas. Optionally, the blood-derived substance may be mixed with hyaluronic acid (HA) and/or an HA-derived compound, thereby achieving even more beneficial effects.
