Can Cosentyx Cause Skin Soreness?
Yes, Cosentyx (secukinumab) can cause skin-related adverse reactions including severe skin reactions that may present with soreness, though this is not among the most common side effects.
Common Skin-Related Side Effects
The FDA-approved labeling for Cosentyx lists the most common side effects as cold symptoms, diarrhea, and upper respiratory tract infections 1. However, severe skin reactions that resemble eczema can occur during treatment with Cosentyx, ranging from days to months after the first dose, and can sometimes require hospitalization 1.
Specific Skin Reactions to Monitor
The FDA label specifically warns patients to contact their healthcare provider if they develop any of the following signs that could be associated with skin soreness 1:
- Redness or rash
- Itching
- Small bumps or patches
- Dry skin or skin that feels like leather
- Blisters on hands or feet that ooze or become crusty
- Skin peeling
Additional Dermatologic Findings
A comprehensive pharmacovigilance study analyzing the FDA Adverse Event Reporting System (FAERS) database from 2015-2021 identified pruritus (itching, N=4,277) and rash (N=3,270) as among the most common adverse events reported with secukinumab 2. Notably, dermatitis psoriasiform showed a high signal with IC025/ROR025 = 1.94/4.04, indicating a statistically significant association 2.
Clinical Context and Paradoxical Reactions
It's important to recognize that paradoxical psoriasiform eruptions can occur with IL-17 inhibitors like secukinumab, similar to what has been documented with TNF inhibitors 3. These reactions may present with skin soreness, redness, and discomfort even though the medication is being used to treat psoriasis.
Time Course
The pharmacovigilance data indicates that the time to onset of skin-related toxicities with secukinumab is mainly concentrated in the first month of treatment 2, though the FDA label notes reactions can occur from days to months after initiation 1.
Clinical Action Required
If you develop skin soreness with Cosentyx:
- Contact your healthcare provider immediately if you experience any of the warning signs listed above
- Your provider may temporarily stop treatment if severe skin reactions develop 1
- Do not discontinue the medication without consulting your healthcare provider
- Document the location, severity, and characteristics of the skin soreness
The severity of skin reactions can range from mild local injection site reactions to severe systemic skin reactions requiring medical intervention 1.