Nucala 100 mg Injection contains mepolizumab 100 mg, a humanized monoclonal antibody and interleukin-5 (IL-5) antagonist. It works by blocking IL-5 activity, thereby reducing the production and survival of eosinophils involved in certain inflammatory conditions. It is primarily used as an add-on maintenance treatment for severe eosinophilic asthma. Depending on the approved indication in a particular country, mepolizumab may also be used for conditions such as chronic rhinosinusitis with nasal polyps, eosinophilic granulomatosis with polyangiitis (EGPA), and hypereosinophilic syndrome (HES). Product Category: Biologicals / Monoclonal Antibodies Active Ingredient: Mepolizumab 100 mg Therapeutic Class: Respiratory / Anti-asthmatic Pharmacological Class: IL-5 Antagonist Dosage Form: Injection Route: Subcutaneous Prescription: Prescription medicine Website-ready description: Nucala 100 mg Injection is a mepolizumab-based biologic medicine used to help control eosinophil-driven inflammation. As an IL-5 antagonist, it reduces eosinophil activity and is primarily prescribed as an add-on maintenance treatment for severe eosinophilic asthma. It is administered by subcutaneous injection under the supervision of a qualified healthcare professional.