Underdose after Dexamethasone + Neomycin + Thiabendazole in cats

29 reports to the FDA describe underdose in cats given Dexamethasone + Neomycin + Thiabendazole. That is 3.6% of all reports for this medicine, compared with 0.7% across reports for all cat medicines, so it is reported unusually often with this medicine.

29Reports

24%Marked serious

21%Recovered

6.9%Died or euthanised

4 daysTypical onset

How soon it started

Same day

3 12%

1–2 days

8 31%

3–7 days

5 19%

1–4 weeks

8 31%

Over a month

2 7.7%

How the animals did

Recovered

6 21%

Still unwell when reported

2 6.9%

Euthanised

2 6.9%

Not known

19 66%

Problems reported at the same time

Lethargy

11 38%

Loss of appetite

9 31%

Drug administration duration too long

9 31%

Didn't work as expected

5 17%

Drug dose administration interval too long

5 17%

Liver problems

4 14%

Vomiting

3 10%

Constipation

2 6.9%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Dexamethasone reduces inflammation and immune activity.

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

Questions owners ask

Can Dexamethasone + Neomycin + Thiabendazole cause underdose in cats?: 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 4 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).

All reported side effects of Dexamethasone + Neomycin + Thiabendazole in cats · Medicines most reported with underdose