Skin rash or irritation after Ormetoprim + Sulfadimethoxine in dogs

22 reports to the FDA describe skin rash or irritation in dogs given Ormetoprim + Sulfadimethoxine. That is 2.5% of all reports for this medicine, compared with 1.3% across reports for all dog medicines, so it is reported unusually often with this medicine.

22Reports
18%Marked serious
4.5%Recovered
4.5%Died or euthanised
–Typical onset
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How the animals did

Recovered
1 4.5%
Still unwell when reported
8 36%
Died
1 4.5%
Not known
12 55%

Problems reported at the same time

Skin hyperaemia
3 14%
Lymphadenopathy
2 9.1%

Age of the animals

Under 1 year
3
1–3 years
3
4–7 years
12
8–11 years
2
12+ years
1

About this medicine

Type: medicine.

Questions owners ask

Can Ormetoprim + Sulfadimethoxine cause skin rash or irritation in dogs?
22 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.
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).

Skin rash or irritation with similar medicines

All reported side effects of Ormetoprim + Sulfadimethoxine in dogs · Medicines most reported with skin rash or irritation