Skin redness after Imidacloprid in dogs

29 reports to the FDA describe skin redness in dogs given Imidacloprid. That is 1.5% of all reports for this medicine, compared with 1.0% across reports for all dog medicines, so it is reported unusually often with this medicine.

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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 skin redness in dogs?

29 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 1 day 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 redness with similar medicines

• Skin redness after Spinosad (Comfortis) 266 reports · 0.5% of its reports
• Skin redness after Lufenuron + Milbemycin Oxime (Sentinel) 119 reports · 0.5% of its reports
• Skin redness after Imidacloprid + Moxidectin (Advantage Multi) 470 reports · 3.6% of its reports
• Skin redness after Nitenpyram (Capstar) 102 reports · 0.9% of its reports
• Skin redness after Lufenuron + Milbemycin Oxime + Praziquantel (Sentinel Spectrum) 41 reports · 0.4% of its reports
• Skin redness after Fipronil + S-methoprene (Frontline Plus) 47 reports · 1.6% of its reports
• Skin redness after Flumethrin + Imidacloprid (Seresto) 101 reports · 4.4% of its reports
• Skin redness after Fipronil 25 reports · 1.8% of its reports
• Skin redness after Imidacloprid + Permethrin + Pyriproxyfen 33 reports · 4.5% of its reports

All reported side effects of Imidacloprid in dogs · Medicines most reported with skin redness