Repatha works by blocking a specific enzyme in your liver to help your body remove cholesterol more effectively. It is not an immunosuppressant drug, so it doesn’t work by suppressing the immune ...

You can inject Repatha into the abdomen, thigh, or upper arm. It’s injected subcutaneously (under the skin). If you’re injecting it into your upper arm, you may need a family member or caregiver to ...