Dexamethasone + Neomycin + Thiabendazole side effects in dogs

645 reports sent to the FDA between 1996 and 2026 involve Dexamethasone + Neomycin + Thiabendazole in dogs. The most reported problems were vomiting, skin redness, deafness. 22% were marked serious, and where it was recorded, signs eased after stopping the medicine in 50% of cases.

645Reports
22%Marked serious
62%Only medicine involved
18%Recovered
4.5%Died or euthanised
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About this medicine

Dexamethasone reduces inflammation and immune activity.

Steroids commonly cause increased thirst, urination and appetite, especially at higher doses.

Most reported side effects

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 prevent heartworm
4 0.6%
Didn't stop mites
3 0.5%
Didn't stop fleas
2 0.3%

How soon problems started

Same day
88 26%
1–2 days
57 17%
3–7 days
60 18%
1–4 weeks
67 20%
Over a month
66 20%

Time from the first dose to the first sign, where both dates were reported (338 reports).

How the animals did

Recovered
110 17%
Recovered with lasting effects
4 0.6%
Still unwell when reported
85 13%
Died
20 3.1%
Euthanised
9 1.4%
Not known
417 65%

Breeds named most often

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

Other corticosteroids for dogs