Does Taltz Cause Nausea?
Yes, nausea is a reported side effect of Taltz (ixekizumab), an IL-17A inhibitor used for psoriasis, psoriatic arthritis, and axial spondyloarthritis. Clinical trials and post-marketing data list it among common gastrointestinal issues, affecting 1-10% of patients depending on the study.[1][2]
How Common Is Nausea with Taltz?
In pivotal trials like UNCOVER-1, UNCOVER-2, and UNCOVER-3 for plaque psoriasis, nausea occurred in about 2-4% of Taltz users versus 1% on placebo. Rates were similar or slightly higher (up to 6%) in psoriatic arthritis trials (SPIRIT-P1). Upper respiratory infections and injection site reactions were more frequent overall.[1][3]
What Do Patients Report About Nausea?
Real-world data from FDA adverse event reports (FAERS) show over 1,000 nausea cases linked to Taltz since approval in 2016, often mild and transient, resolving without stopping treatment. Patient forums like Drugs.com note it typically starts early in therapy and fades within weeks, though some describe it as moderate with meals worsening it.[2][4]
Why Does Taltz Cause Nausea?
Taltz blocks IL-17A, reducing inflammation but potentially disrupting gut immunity or motility. It's not fully understood, but similar biologics (e.g., secukinumab) share this effect, suggesting class-related GI sensitivity.[1][5]
How Long Does Nausea Last and What Helps?
Most cases are short-lived (days to weeks) and dose-independent. Management includes taking with food, anti-nausea meds like ondansetron, or dose adjustments. Severe or persistent nausea warrants medical review for alternatives.[2][3]
Compared to Other Biologics
Taltz nausea rates align with Cosentyx (secukinumab, 3-5%) but are lower than some TNF inhibitors like Humira (up to 10%). Stelara (ustekinumab) reports under 2%.[1][5]
When to Worry About Nausea on Taltz
Mild nausea is expected; seek care if accompanied by vomiting, dehydration, abdominal pain, or lasting >2 weeks, as it could signal infection, IBD flare, or rare hypersensitivity.[2]
[1]: Taltz Prescribing Information, Eli Lilly (FDA label, 2023). https://pi.lilly.com/us/taltz-uspi.pdf
[2]: FDA FAERS Database (queried 2024). https://www.fda.gov/drugs/questions-and-answers-fdas-adverse-event-reporting-system-faers/fda-adverse-event-reporting-system-faers-latest-quarterly-data-files
[3]: UNCOVER and SPIRIT Clinical Trial Publications, NEJM/JAMA (2016-2017).
[4]: Drugs.com Taltz Reviews. https://www.drugs.com/comments/ixekizumab/taltz.html
[5]: Cosentyx Prescribing Information, Novartis (FDA label, 2023). https://www.novartis.com/us-en/sites/novartis_us/files/cosentyx.pdf