Common Side Effects in Children
Cosentyx (secukinumab), approved for kids aged 6 and older with moderate to severe plaque psoriasis or enthesitis-related arthritis, carries side effects similar to adults but monitored closely in pediatric trials. Upper respiratory infections occur most frequently, affecting about 25-30% of children in studies. Other common ones include diarrhea (10-15%), throat infections, and runny nose.[1][2]
Serious Risks and Infections
Serious infections like tuberculosis or fungal infections are possible, as Cosentyx suppresses IL-17 and weakens immune response. In pediatric trials, no new TB cases emerged, but screening is required before starting. Inflammatory bowel disease (IBD) flares or new onset affect roughly 1% of patients, including kids.[1][3]
Injection Site Reactions
Redness, itching, or pain at the injection site happens in 10-15% of children, usually mild and resolving within days. Pre-filled syringes or autoinjectors for kids minimize issues.[2]
Long-Term Concerns for Kids
Growth or bone development risks aren't confirmed in trials up to 52 weeks, but ongoing monitoring is advised. Hypersensitivity reactions, including anaphylaxis, are rare (<1%) but require immediate medical attention.[1][4]
Differences from Adult Side Effects
Pediatric profiles mirror adults, with no unique severe effects reported, though kids report more respiratory issues due to higher exposure rates. Trials involved 300+ children, showing comparable safety.[3]
What Parents Should Watch For
Report fever, persistent cough, severe diarrhea, or unusual fatigue promptly. Cosentyx is not for active infections; vaccinate kids beforehand per guidelines. Benefits often outweigh risks for eligible psoriasis or arthritis cases.[2][4]
[1]: FDA Cosentyx Label
[2]: Novartis Cosentyx Prescribing Information
[3]: NEJM Pediatric Trial Data
[4]: Drugs.com Cosentyx Side Effects