Doxycycline side effects in cats
259 reports sent to the FDA between 1998 and 2026 involve Doxycycline in cats. The most reported problems were loss of appetite, lethargy, blood problems. 62% were marked serious.
259Reports
62%Marked serious
10%Only medicine involved
19%Recovered
29%Died or euthanised
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About this medicine
Doxycycline treats bacterial and tick-borne infections.
Most reported side effects
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.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (202 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 140 reports
- Domestic Longhair 27 reports
- Domestic Mediumhair 18 reports
- Domestic 12 reports
- Persian 9 reports
- Siamese 7 reports
- Cat (other) 4 reports
- Himalayan 3 reports
- American Curl Shorthair 3 reports
- Abyssinian Cat 2 reports