This chapter reviews the patient factors associated with frequent attendance in primary care, and suggests strategies for managing patients who attend unusually frequently. There are also fairly consistent findings when data from studies which have examined the sociodemographic characteristics of frequent attenders are compared. Frequent attenders are more likely to be female, older, less likely to be married, and less likely to be in paid employment. A number of studies have examined the association between frequent attendance and psychiatric morbidity. The most common psychiatric disorders in frequent attenders are episodes of minor depression or anxiety. Studies that have examined the association between frequent attendance and physical disorder have used case-note data, self-report measures or physiological measures. Consistent associations have been reported between frequent attendance and female sex, older age, unemployment, socio-economic deprivation, marital status, psychiatric disorder, physical illness, and health concerns.