Eteplirsen (By injection)Eteplirsen (e-TEP-lir-sen)Treats Duchenne muscular dystrophy.Brand Name(s): Exondys 51There may be other brand names for this medicine.When This Medicine Should Not Be Used: This medicine is not right for everyone. You should not receive it if you had an allergic reaction to eteplirsen.How to Use This Medicine: InjectableYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein. A nurse or other health provider will give you this medicine. Drugs and Foods to Avoid: Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.Warnings While Using This Medicine: Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or liver disease. Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments. Possible Side Effects While Using This Medicine: Call your doctor right away if you notice any of these side effects:Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing Blistering, peeling, red skin rash Fever, chills, cough, sore throat, body aches Unusual bruisingIf you notice these less serious side effects, talk with your doctor:Joint pain Pain, itching, burning, swelling, or a lump under your skin where the needle is placed Problems with balance VomitingIf you notice other side effects that you think are caused by this medicine, tell your doctorCall your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 Last Updated: 6/6/2024