What Is Intralesional Corticosteroids (ILCs) Injection? Intralesional corticosteroids (ILCs), also known as steroid injections, involve the direct injection of a corticosteroid solution into the affected areas of the skin or just beneath its surface. Corticosteroids are synthetic versions of cortisol; a hormone that helps regulate inflammation and immune responses. Steroid injections are a non-surgical option […]