[Psychotherapy in primary care: presentation of a case of somatomorphic disorder treated with interpersonal therapy].

Problems of medically unexplained somatic symptoms are common in Primary care. They often involve a psychiatric comorbidity that requires some form of psychotherapy that addresses, among other problems, the frequent use of the service. The purpose of this paper is to present the rationale and the generalities of a brief psychotherapeutic intervention, interpersonal therapy (IPT), in its adaptation to primary care. Its applicability is shown through a case of undifferentiated somatoform disorder, a condition so prevalent and difficult to approach in the field of primary care. IPT assumes that stressful life events and interpersonal difficulties act as triggers or maintainers of the psychic symptoms. The intervention is structured around four possible sources: grief, role transitions, interpersonal disputes and interpersonal deficits.