Cough after Metronidazole in dogs

60 reports to the FDA describe cough in dogs given Metronidazole. That is 1.9% of all reports for this medicine, compared with 0.8% across reports for all dog medicines, so it is reported unusually often with this medicine.

60Reports
75%Marked serious
13%Recovered
22%Died or euthanised
6 daysTypical onset
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How soon it started

Same day
10 21%
1–2 days
7 15%
3–7 days
10 21%
1–4 weeks
8 17%
Over a month
12 26%

How the animals did

Recovered
7 12%
Recovered with lasting effects
1 1.7%
Still unwell when reported
25 42%
Died
4 6.7%
Euthanised
9 15%
Not known
14 23%

Problems reported at the same time

Age of the animals

Under 1 year
4
1–3 years
15
4–7 years
12
8–11 years
18
12+ years
11

About this medicine

Metronidazole treats some bacterial and parasitic gut infections.

Questions owners ask

Can Metronidazole cause cough in dogs?
60 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 6 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).

Cough with similar medicines

All reported side effects of Metronidazole in dogs · Medicines most reported with cough