Lip licking after Fluralaner (Bravecto) in dogs

82 reports to the FDA describe lip licking in dogs given Fluralaner. That is 0.1% of all reports for this medicine, compared with 0.1% across reports for all dog medicines, so it is reported unusually often with this medicine.

82Reports
73%Marked serious
29%Recovered
3.7%Died or euthanised
1 daysTypical onset
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How soon it started

Same day
21 46%
1–2 days
10 22%
3–7 days
2 4.3%
1–4 weeks
1 2.2%
Over a month
12 26%

How the animals did

Recovered
22 27%
Recovered with lasting effects
2 2.4%
Still unwell when reported
40 49%
Died
3 3.7%
Not known
15 18%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
20
4–7 years
27
8–11 years
22
12+ years
8

About this medicine

Fluralaner kills fleas and ticks for up to 12 weeks (chewable or spot-on).

Products with this ingredient include Bravecto. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

In 2018 the FDA alerted owners and vets that isoxazoline products have been associated with neurologic reactions such as muscle tremors, wobbliness (ataxia) and seizures, including in animals with no history of them.

Questions owners ask

Can Fluralaner cause lip licking in dogs?
82 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).

Lip licking with similar medicines

All reported side effects of Fluralaner in dogs · Medicines most reported with lip licking