Cosentyx is a biologic drug that is used to treat a variety of inflammatory conditions such as psoriasis, psoriatic arthritis, and ankylosing spondylitis. The drug contains secukinumab, which works by targeting a protein called interleukin-17A that is involved in inflammation.

According to the sources provided, there is no specific information about how often Cosentyx should be administered to children. The drug is approved for use in adults, and the prescribing information provided by the European Medicines Agency (EMA) does not mention any dosing recommendations for children.

Medical News Today notes that Cosentyx is not currently approved for use in children under the age of 18, although clinical trials are ongoing to evaluate the safety and efficacy of the drug in this population.

It is important to note that the dosing and administration of Cosentyx should always be determined by a healthcare professional based on the individual patient's condition and needs. Patients should also be monitored closely for any potential side effects or adverse reactions.

In conclusion, there is no specific information available about how often Cosentyx should be administered to children, as the drug is not currently approved for use in this population. Patients should always follow the dosing and administration instructions provided by their healthcare provider.

Sources:
[1] Drug Patent Watch: https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] Medical News Today: https://www.medicalnewstoday.com/articles/326632
[3] European Medicines Agency: https://www.ema.europa.eu/en/documents/product-information/cosentyx-epar-product-information_en.pdf