Cosentyx (secukinumab) is a biologic medication used to treat psoriasis, psoriatic arthritis, and ankylosing spondylitis. It works by targeting and blocking a specific protein that causes inflammation in the body.

According to the sources provided, it is not clear whether Cosentyx works right away. However, the drug's website [2] states that some patients may see improvement in their symptoms as early as the first week of treatment. However, it may take up to 12 weeks to see the full effects of the medication.

DrugPatentWatch [1] provides information on the patent expiration date of Cosentyx, but does not provide information on its efficacy.

Drugs.com [3] explains that the effectiveness of Cosentyx can vary from person to person and may depend on the severity of the condition being treated. It is important to follow the prescribed dosage and continue treatment as directed by a healthcare provider to achieve the best results.

In conclusion, while some patients may see improvement in their symptoms as early as the first week of treatment, it may take up to 12 weeks to see the full effects of Cosentyx. However, the effectiveness of the medication can vary from person to person and may depend on the severity of the condition being treated. It is important to follow the prescribed dosage and continue treatment as directed by a healthcare provider to achieve the best results.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] https://www.cosentyx.com/psoriatic-arthritis/how-cosentyx-works
[3] https://www.drugs.com/medical-answers/long-cosentyx-work-3538718/