FOI - Adverse side effects recorded
Published 29 September 2025
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ATI1072 Request
Please could you let me know what side effects Zoetis reported to you?
Our reply
The following adverse event description was received from the Marketing Authorisation Holder (Zoetis) as part of the adverse event report: ‘Collapsing on back end and frequently falling over, ataxia, splaying of back legs, bizarre gait, knuckling when walking. Also, things that happened during year of librella injections but not able to say when - rapid and severe increase in osteoarthritis damage, rapid development of cataracts, hair loss and scaly skin due to fungal infections, episodes of incontinence, urine and faeces, patches of hair loss and scaly skin, marked muscle wastage on hind quarters, red eyes’.