Miralax side effects in cats

68 reports sent to the FDA between 2019 and 2026 involve Miralax in cats. The most reported problems were itching, loss of appetite, vomiting. 68% were marked serious.

68Reports
68%Marked serious
0.0%Only medicine involved
12%Recovered
12%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Itching
13 19%
Loss of appetite
12 18%
Vomiting
9 13%
Wobbliness (ataxia)
8 12%
Weight loss
8 12%
Lethargy
8 12%
Constipation
7 10%
Skin rash or irritation
7 10%
Abnormal radiograph finding
6 8.8%
Skin scab
6 8.8%
Breathing problems
6 8.8%
Hair loss
5 7.4%
Inappropriate urination
4 5.9%
Dilated pupils
4 5.9%
Swelling
4 5.9%

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
6 8.8%
Didn't stop ticks
1 1.5%

How soon problems started

Same day
9 16%
1–2 days
5 8.8%
3–7 days
8 14%
1–4 weeks
12 21%
Over a month
23 40%

Time from the first dose to the first sign, where both dates were reported (57 reports).

How the animals did

Recovered
8 12%
Still unwell when reported
45 66%
Died
3 4.4%
Euthanised
5 7.4%
Not known
7 10%

Breeds named most often

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

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