Penicillin G Procaine side effects in dogs

76 reports sent to the FDA between 1995 and 2024 involve Penicillin G Procaine in dogs. The most reported problems were injection site reaction, swelling, loss of appetite. 29% were marked serious, and where it was recorded, signs eased after stopping the medicine in 42% of cases.

76Reports
29%Marked serious
86%Only medicine involved
28%Recovered
2.6%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Swelling
16 21%
Loss of appetite
8 11%
Allergic reaction
7 9.2%
Vomiting
6 7.9%
Lethargy
5 6.6%
Leucocytosis
4 5.3%
Fever
3 3.9%
Seizures
3 3.9%
Accidental exposure
3 3.9%
Breathing problems
3 3.9%
Liver problems
3 3.9%
Cyanosis
2 2.6%
Disorientation
2 2.6%
Cardiac arrest
2 2.6%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.

Didn't work as expected
1 1.3%

How soon problems started

Same day
10 36%
1–2 days
3 11%
3–7 days
6 21%
1–4 weeks
8 29%
Over a month
1 3.6%

Time from the first dose to the first sign, where both dates were reported (28 reports).

How the animals did

Recovered
19 25%
Recovered with lasting effects
2 2.6%
Still unwell when reported
6 7.9%
Died
2 2.6%
Not known
47 62%

Breeds named most often

Popular breeds appear more often because there are more of them.

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