Cosentyx is a biologic medication used to treat psoriasis, psoriatic arthritis, and ankylosing spondylitis. The active ingredient in Cosentyx is secukinumab, which works by targeting and blocking the action of a protein called interleukin-17A (IL-17A) [2]. However, like any medication, Cosentyx may cause side effects, including skin irritation.

According to the prescribing information for Cosentyx, skin reactions, such as redness, itching, and rash, are common side effects of the medication [1]. If you experience skin irritation while taking Cosentyx, it is essential to speak with your healthcare provider. They may recommend a topical medication to alleviate the irritation or adjust your dosage of Cosentyx.

In addition to speaking with your healthcare provider, there are several steps you can take to alleviate skin irritation while taking Cosentyx. These include:

1. Keep your skin moisturized: Use a fragrance-free, hypoallergenic moisturizer to keep your skin hydrated and prevent dryness and itching [3].

2. Avoid hot showers and baths: Hot water can strip your skin of its natural oils, leading to dryness and irritation. Stick to lukewarm water and limit your showers or baths to 10-15 minutes [3].

3. Wear loose-fitting clothing: Tight clothing can rub against your skin, causing irritation. Opt for loose-fitting, breathable clothing made from natural fibers, such as cotton or bamboo [3].

4. Use gentle skincare products: Avoid using harsh soaps, scrubs, or exfoliants, as these can further irritate your skin. Instead, use gentle, fragrance-free skincare products designed for sensitive skin [3].

In summary, skin irritation is a common side effect of Cosentyx. If you experience skin irritation while taking this medication, speak with your healthcare provider, who may recommend a topical medication or adjust your dosage. Additionally, keeping your skin moisturized, avoiding hot water, wearing loose-fitting clothing, and using gentle skincare products can help alleviate skin irritation [1][2][3].

Sources:
[1] Drug Patent Watch. (2021). Cosentyx. Retrieved from https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] Cosentyx. (2021). How Cosentyx Works. Retrieved from https://www.cosentyx.com/plaque-psoriasis/how-cosentyx-works
[3] National Center for Biotechnology Information. (2016). Skin Care in Patients with Psoriasis: An Update. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5013855/