This guide was commissioned by Novartis Pharmaceuticals UK Ltd and independently produced by the Work Foundation to help managers understand and support employees with migraine. Migraine is a common condition that can significantly impact people's working lives through absenteeism and reduced productivity. The guide discusses what migraine is, common triggers, and support measures employers can provide such as flexible working hours, access to quiet rooms, and regular breaks. It emphasizes the importance of an open management style and developing migraine action plans with employees to understand their needs and make practical adjustments to help manage the condition.