Excessive urination after Dexamethasone in dogs

94 reports to the FDA describe excessive urination in dogs given Dexamethasone. That is 3.5% of all reports for this medicine, compared with 1.0% across reports for all dog medicines, so it is reported unusually often with this medicine.

94Reports
72%Marked serious
12%Recovered
18%Died or euthanised
7 daysTypical onset
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How soon it started

Same day
23 27%
1–2 days
13 15%
3–7 days
8 9.3%
1–4 weeks
22 26%
Over a month
20 23%

How the animals did

Recovered
10 11%
Recovered with lasting effects
1 1.1%
Still unwell when reported
42 45%
Died
10 11%
Euthanised
7 7.4%
Not known
24 26%

Problems reported at the same time

Age of the animals

Under 1 year
7
1–3 years
31
4–7 years
20
8–11 years
23
12+ years
12

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 cause excessive urination in dogs?
94 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 7 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).

Excessive urination with similar medicines

All reported side effects of Dexamethasone in dogs · Medicines most reported with excessive urination