In this episode, the Good GP interviews Dr Krystyna de Lange, General Practitioner with a special interest in maternal and infant medicine on the assessment of irritable infants. Dr de Lange covers the definition of the crying or unsettled baby, the prevalence and variability across cultures and assessing the irritable infant. We also explore the factors that may cause an irritable infant and the medical conditions to consider when assessing the infant. Dr Krystyna de Lange is a practicing GP with a Diploma of Obstetrics and Gynaecology (DRANZCOG), Diploma of Child Health (DCH) and Certificate in Emergency Medicine (EMC).