Based on the information available, Cosentyx (secukinumab) is typically administered once per month for certain conditions. However, the exact number of doses can vary depending on the specific medical condition being treated, the patient's response to the medication, and the dosage prescribed by the healthcare provider.

Cosentyx is a prescription medication used to treat several conditions, including plaque psoriasis, psoriatic arthritis, and ankylosing spondylitis. The recommended dosage for adults with plaque psoriasis is 300 mg (given as two 150 mg injections) at Weeks 0, 1, 2, 3, and 4, followed by 300 mg every 4 weeks. For psoriatic arthritis and ankylosing spondylitis, the recommended dosage is 150 mg every 4 weeks.

Therefore, depending on the condition being treated, patients may need 1 to 4 Cosentyx doses per month. It is essential to follow the healthcare provider's instructions carefully and not adjust the dosage without consulting them.

Sources:

1. Cosentyx (secukinumab) [Prescribing Information]. (2021). Novartis Pharmaceuticals Corporation. <https://www.novartis.us/sites/www.novartis.us/files/cosentyx.pdf>
2. Secukinumab. (2021). Drugs.com. <https://www.drugs.com/mtm/secukinumab.html>
3. Secukinumab (Cosentyx). (2021). DrugPatentWatch.com. <https://www.drugpatentwatch.com/drugs/secukinumab>