There are individual differences in how long it takes for Cosentyx, or Skuclizumab Injection, to work in the treatment of psoriasis, with clinical results usually seen within 4 weeks. Skuclizumab Injection is used to treat moderate to severe plaque psoriasis in adults who meet the indications for systemic therapy or phototherapy. The instructions do not specify the time to efficacy of this product. Individual differences in efficacy exist depending on the individual’s sensitivity to the medication, timing of treatment, extent of the disease, and dosage of the medication, but the majority of patients will see efficacy within 4 weeks. The visible adverse reactions of Skuclizumab Injection include upper respiratory tract infection, oral herpes, neutropenia, and rapid onset allergic reactions. The drug is contraindicated in people who are allergic to the product, active infections, etc. Skuclizumab Injection should be used regularly under the supervision of a doctor.