Skin tumour after Oclacitinib (Apoquel) in dogs
The FDA has received 137 reports of skin tumour in dogs after Oclacitinib. That is 0.5% of all reports for this medicine, compared with 0.0% across reports for all dog medicines, so it is reported unusually often with this medicine.
137Reports
88%Marked serious
15%Recovered
8.8%Died or euthanised
86 daysTypical onset
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How soon it started
How the animals did
Problems reported at the same time
Age of the animals
About this medicine
Oclacitinib controls itching from allergies (tablet, a JAK inhibitor).
Products with this ingredient include Apoquel. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
Questions owners ask
- Can Oclacitinib cause skin tumour in dogs?
- 137 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.
- How soon after a dose was it reported?
- In half of the reports with dates, it started within 86 days of the first dose.
- 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).
Skin tumour with similar medicines
- Skin tumour after Cyclosporine (Atopica) 26 reports · 0.2% of its reports
All reported side effects of Oclacitinib in dogs · Medicines most reported with skin tumour