Ocular discharge after Fluralaner (Bravecto) in dogs

109 reports to the FDA describe ocular discharge in dogs given Fluralaner. That is 0.2% of all reports for this medicine, compared with 0.2% across reports for all dog medicines.

109Reports
86%Marked serious
19%Recovered
18%Died or euthanised
3 daysTypical onset
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How soon it started

Same day
17 21%
1–2 days
22 28%
3–7 days
11 14%
1–4 weeks
9 11%
Over a month
21 26%

How the animals did

Recovered
15 14%
Recovered with lasting effects
6 5.5%
Still unwell when reported
49 45%
Died
9 8.3%
Euthanised
11 10%
Not known
19 17%

Problems reported at the same time

Age of the animals

Under 1 year
9
1–3 years
26
4–7 years
26
8–11 years
33
12+ years
12

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 ocular discharge in dogs?
109 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 3 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).

Ocular discharge with similar medicines

All reported side effects of Fluralaner in dogs · Medicines most reported with ocular discharge