Fluconazole side effects in dogs

312 reports sent to the FDA between 2008 and 2026 involve Fluconazole in dogs. The most reported problems were vomiting, lethargy, loss of appetite. 46% were marked serious, and where it was recorded, signs eased after stopping the medicine in 50% of cases.

312Reports
46%Marked serious
1.0%Only medicine involved
24%Recovered
11%Died or euthanised
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

About this medicine

Type: medicine.

Most reported side effects

78 25%
60 19%
37 12%
29 9.3%
Skin redness
18 5.8%
Blood problems
17 5.4%
Seizures
16 5.1%
Hair loss
15 4.8%
Swelling
15 4.8%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.

Didn't stop mites
1 0.3%
Didn't prevent heartworm
1 0.3%

How soon problems started

Same day
28 13%
1–2 days
19 8.5%
3–7 days
26 12%
1–4 weeks
51 23%
Over a month
99 44%

Time from the first dose to the first sign, where both dates were reported (223 reports).

How the animals did

Recovered
71 23%
Recovered with lasting effects
3 1.0%
Still unwell when reported
135 43%
Died
16 5.1%
Euthanised
18 5.8%
Not known
69 22%

Breeds named most often

Popular breeds appear more often because there are more of them.

Other medicines for dogs