Seretide Diskus 50/250 Mcg 60 Dose: Breathe Easier, Live Better Experience easier breathing with the Seretide Diskus 50/250 mcg, designed to effectively manage and treat asthma and COPD (Chronic Obstructive Pulmonary Disease). This easy-to-use inhaler combines two active ingredients working in harmony to help control and prevent symptoms like wheezing, shortness of breath, and other respiratory issues.