Weight loss after Cyclosporine (Atopica) in cats

394 reports to the FDA describe weight loss in cats given Cyclosporine. That is 13% of all reports for this medicine, compared with 4.6% across reports for all cat medicines, so it is reported unusually often with this medicine.

394Reports

61%Marked serious

15%Recovered

20%Died or euthanised

35 daysTypical onset

How soon it started

Same day

43 18%

1–2 days

13 5.4%

3–7 days

9 3.8%

1–4 weeks

47 20%

Over a month

128 53%

How the animals did

Recovered

55 14%

Recovered with lasting effects

3 0.8%

Still unwell when reported

131 33%

Died

33 8.4%

Euthanised

44 11%

Not known

128 32%

Problems reported at the same time

207 53%

113 29%

103 26%

76 19%

75 19%

56 14%

53 13%

38 9.6%

Age of the animals

Under 1 year

1–3 years

4–7 years

111

8–11 years

133

12+ years

About this medicine

Cyclosporine controls allergic skin disease and some immune conditions.

Products with this ingredient include Atopica. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

Questions owners ask

Can Cyclosporine cause weight loss in cats?: 394 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?: In half of the reports with dates, it started within 35 days of the first dose.
What should I do?: Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Weight loss with similar medicines

Weight loss after Oclacitinib (Apoquel) 31 reports · 6.7% of its reports

All reported side effects of Cyclosporine in cats · Medicines most reported with weight loss