Weight changes are not listed as a common side effect of Cosentyx based on the provided sources. The sources indicate that weight changes are not a reported side effect of Cosentyx. However, it is important to note that individual responses to medications can vary, and some patients may experience weight changes as a result of other factors or underlying conditions. It is always recommended to consult with a healthcare professional for personalized medical advice and to discuss any concerns regarding medication side effects.

Sources:
[1] Drug Patent Watch. (n.d.). Cosentyx. Retrieved from https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] Medical News Today. (2019, October 15). Cosentyx (secukinumab): Uses, dosage, side effects, and more. Retrieved from https://www.medicalnewstoday.com/articles/326632
[3] Healthline. (2021, February 23). Cosentyx. Retrieved from https://www.healthline.com/health/drugs/cosentyx