[Cause, effects and treatment of hyposalivation]

Adverse effects of drugs, radiotherapeutic treatment of head and neck tumors and Sjögren's syndrome are common causes of hyposalivation. The resulting sequelae include oral dryness, burning mouth, impeded oral functions, nocturnal oral discomfort and an increased incidence of rampant caries and oral infections. Causal therapy is only occasionally applicable. The main causes, consequences and management of hyposalivation are described.