Lethargy after Atropine in dogs

138 reports to the FDA describe lethargy in dogs given Atropine. That is 18% of all reports for this medicine, compared with 11% across reports for all dog medicines, so it is reported unusually often with this medicine.

138Reports
72%Marked serious
25%Recovered
30%Died or euthanised
2 daysTypical onset
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How soon it started

Same day
42 37%
1–2 days
19 17%
3–7 days
16 14%
1–4 weeks
17 15%
Over a month
19 17%

How the animals did

Recovered
34 25%
Recovered with lasting effects
1 0.7%
Still unwell when reported
43 31%
Died
19 14%
Euthanised
23 17%
Not known
18 13%

Problems reported at the same time

Age of the animals

Under 1 year
12
1–3 years
34
4–7 years
34
8–11 years
33
12+ years
23

About this medicine

Type: medicine.

Questions owners ask

Can Atropine cause lethargy in dogs?
138 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 2 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).

Lethargy with similar medicines

All reported side effects of Atropine in dogs · Medicines most reported with lethargy