Azithromycin side effects in cats

83 reports sent to the FDA between 2012 and 2026 involve Azithromycin in cats. The most reported problems were loss of appetite, lethargy, vomiting. 54% were marked serious.

83Reports
54%Marked serious
1.2%Only medicine involved
16%Recovered
24%Died or euthanised
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

About this medicine

Type: medicine.

Most reported side effects

20 24%
Vomiting
13 16%
Nasal discharge
9 11%
Behaviour change
8 9.6%
Breathing problems
8 9.6%
Drooling
8 9.6%
Weight loss
8 9.6%
Itching
8 9.6%
Hair loss
8 9.6%
Liver problems
7 8.4%
Vocalising
6 7.2%
Swelling
6 7.2%
Blood problems
6 7.2%
Diarrhea
6 7.2%

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 cat still getting fleas or heartworm), not about a side effect.

Didn't work as expected
9 11%
Didn't stop fleas
1 1.2%
Didn't stop ticks
1 1.2%

How soon problems started

Same day
14 20%
1–2 days
12 17%
3–7 days
13 19%
1–4 weeks
11 16%
Over a month
19 28%

Time from the first dose to the first sign, where both dates were reported (69 reports).

How the animals did

Recovered
12 14%
Recovered with lasting effects
1 1.2%
Still unwell when reported
29 35%
Died
11 13%
Euthanised
9 11%
Not known
21 25%

Breeds named most often

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

Other medicines for cats