Lymphadenopathy after Robenacoxib (Onsior) in cats
The FDA has received 27 reports of lymphadenopathy in cats after Robenacoxib. That is 0.8% of all reports for this medicine, compared with 0.1% across reports for all cat medicines, so it is reported unusually often with this medicine.
27Reports
41%Marked serious
11%Recovered
56%Died or euthanised
–Typical onset
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How the animals did
Problems reported at the same time
Age of the animals
About this medicine
Robenacoxib relieves pain and inflammation (short courses).
Products with this ingredient include Onsior. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
NSAIDs can affect the stomach, liver and kidneys. Vets usually recommend blood tests before and during long-term use.
Questions owners ask
- Can Robenacoxib cause lymphadenopathy in cats?
- 27 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
- What should I do?
- Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).
All reported side effects of Robenacoxib in cats · Medicines most reported with lymphadenopathy