Do not take a Darzalex Faspro 1800mg Injection if you are allergic to Daratumumab or other medicine ingredients. This medicine is not recommended for children and adolescents. Inform your doctor if you get any infusion-related reactions, such as swollen face, lips, mouth, tongue, or throat. If you notice any infusion reactions, you need other medicine, or the infusion will be slowed down or stopped.