Chlorambucil side effects in cats

73 reports sent to the FDA between 2012 and 2026 involve Chlorambucil in cats. The most reported problems were loss of appetite, lethargy, weight loss. 53% were marked serious.

73Reports
53%Marked serious
0.0%Only medicine involved
18%Recovered
25%Died or euthanised
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

About this medicine

Type: medicine.

Most reported side effects

Loss of appetite
16 22%
Lethargy
11 15%
Weight loss
10 14%
Kidney problems
10 14%
Vomiting
10 14%
Diarrhea
8 11%
Behaviour change
6 8.2%
Hair loss
6 8.2%
Itching
5 6.8%
Liver problems
5 6.8%
Application site reaction
4 5.5%
Staggering
4 5.5%
Dehydration
4 5.5%
Hiding
4 5.5%
Seizures
4 5.5%

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
13 18%
Didn't stop fleas
1 1.4%

How soon problems started

Same day
7 13%
1–2 days
5 8.9%
3–7 days
2 3.6%
1–4 weeks
11 20%
Over a month
31 55%

Time from the first dose to the first sign, where both dates were reported (56 reports).

How the animals did

Recovered
13 18%
Still unwell when reported
31 42%
Died
4 5.5%
Euthanised
14 19%
Not known
11 15%

Breeds named most often

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

Other medicines for cats