Itching after Imidacloprid in cats
42 reports to the FDA describe itching in cats given Imidacloprid. That is 17% of all reports for this medicine, compared with 8.9% across reports for all cat medicines, so it is reported unusually often with this medicine.
42Reports
21%Marked serious
19%Recovered
2.4%Died or euthanised
18 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
Imidacloprid kills fleas (spot-on or collar).
Questions owners ask
- Can Imidacloprid cause itching in cats?
- 42 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 18 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).
Itching with similar medicines
- Itching after Spinosad (Comfortis) 439 reports · 3.8% of its reports
- Itching after Nitenpyram (Capstar) 1,904 reports · 22% of its reports
- Itching after Imidacloprid + Moxidectin (Advantage Multi) 1,531 reports · 19% of its reports
- Itching after Lufenuron 84 reports · 7.6% of its reports
- Itching after Flumethrin + Imidacloprid (Seresto) 210 reports · 31% of its reports
- Itching after Imidacloprid + Pyriproxyfen 222 reports · 34% of its reports
- Itching after Fipronil 63 reports · 13% of its reports
- Itching after Fipronil + S-methoprene (Frontline Plus) 68 reports · 19% of its reports
All reported side effects of Imidacloprid in cats · Medicines most reported with itching