Sexual dysfunction is understood as the inability to enjoy the sexual encounter.   In the sexual act we differentiate several stages: desire, excitement, orgasm and resolution. Dysfunctions can occur in any of these stages, causing discomfort to the individual or couple.   These are the most common sexual dysfunctions:   Hypoactive sexual desire disorder. Genital arousal disorder. Orgasmic dysfunction. Erectile dysfunction. Premature ejaculation Vulvodynia.   Many factors can cause sexual dysfunction, and there is usually more than one cause; stress, anxiety, hormones, consumption of certain substances, trauma, difficulties in a relationship, pregnancy…   It is estimated that 43% of women and 31% of men suffer from some sexual dysfunction.   The therapy in this area aims to carry out an evaluation and treatment of dysfunction, in order to improve the well being of the patient.