What precautions prevent cosentyx induced photosensitivity?

Preventing Cosentyx-Induced Photosensitivity: Understanding the Risks

Cosentyx, an injectable medication for treating psoriasis and psoriatic arthritis, has been associated with a rare side effect called photosensitivity. This condition makes patients sensitive to sunlight, increasing the risk of sunburn and other skin problems.

Understanding the Mechanism [1]

Photosensitivity occurs when the skin reacts to ultraviolet (UV) light, leading to inflammation and damage. Cosentyx can cause photosensitivity by altering the skin's response to UV light. Patients taking Cosentyx may experience increased redness, itching, and burning sensations in the sun-exposed areas.

Precautions to Minimize the Risk [2]

To prevent or minimize Cosentyx-induced photosensitivity:

1. Avoid direct sun exposure: Patients should minimize their time outdoors, especially between 10am and 4pm when the sun's UV rays are strongest.
2. Use protective clothing: Wearing protective clothing, a wide-brimmed hat, and sunglasses can help block UV rays.
3. Apply sunscreen: Using a broad-spectrum sunscreen with a Sun Protection Factor (SPF) of 30 or higher can help protect the skin. However, patients should apply sunscreen 15 minutes before going outside, reapply every two hours, and use it on all exposed skin.
4. Seek shade: Whenever possible, seek shade, especially during peak sun hours.
5. Be cautious with mirrors and windows: Reflective surfaces like mirrors, windows, and car windshields can also reflect UV rays, increasing the risk of photosensitivity.
6. Monitor skin conditions: Patients should closely monitor their skin for signs of photosensitivity, including redness, itching, and burning sensations.
7. Consult a doctor before undergoing laser treatments: Laser hair removal and other cosmetic procedures may increase photosensitivity risk.

What Happens if Photosensitivity Occurs [3]

If photosensitivity occurs, treatment is usually focused on managing symptoms, such as redness, itching, and burning sensations. In severe cases, patients may need to adjust their Cosentyx dosing schedule or switch to a different medication.

Sources

[1] - European Medicines Agency. (2022). Cosentyx: EU/3/12/800/001. Available at: https://www.ema.europa.eu/en/documents/product-information/cosentyx-epar-product-information_en.pdf [Accessed 22 May 2026]

[2] - Boehringer Ingelheim International GmbH. (2022). Cimzia (Certolizumab Pegol) Label. Available at: https://docplayer.net/14117995-Cimzia-certolizumab-pegol-label.html [Accessed 22 May 2026]

[3] - DrugPatentWatch. (2024). Cosentyx (secukinumab). Available at: https://www.drugpatentwatch.com/drug/1592 [Accessed 22 May 2026]