### What is Dupilumab (Dupixent)? Dupilumab, sold under the brand name Dupixent, is a medication used to treat conditions like asthma and eczema. It works by blocking certain proteins that cause inflammation in the body. ### How to Use Dupilumab Dupilumab is administered via an injection just under the skin. It comes in a prefilled syringe or a self-injector pen. Your doctor will give you the first dose and show you how to inject yourself at home. The frequency of injections depends on your age, size, and condition. Most adults with asthma or eczema get a shot every 2 weeks, while small children might get one every 4 weeks. ### Side Effects Common side effects include: - Injection site reactions - Eye problems like redness or itching - Cold sores or other herpes simplex virus infections - Joint pain Serious allergic reactions are rare but can occur. Seek immediate medical attention if you experience trouble swallowing or breathing. ### Warnings and Precautions - Do not use if you are allergic to dupilumab or any of its ingredients. - Consult your doctor if you are pregnant, planning to become pregnant, or breastfeeding. - Uncontrolled asthma can increase pregnancy complications, so your doctor will weigh the pros and cons before prescribing. ### Clinical Trials Results show that dupilumab can reduce asthma attacks, improve lung function, and clear up eczema. It also helps with chronic rhinosinusitis with nasal polyps and eosinophilic esophagitis. Always consult your doctor for personalized medical advice.