One lot of Longisil, a veterinary form of injectable penicillin used mainly in larger livestock, is being recalled after allergic reactions were reported in treated dogs and cats.
The manufacturer, Vetoquinol North America at Lavaltrie, Que., has announced the recall of lot number 9224, which was distributed in three vial sizes: 100 (9224-01), 250 (9224-02) and 500 millilitres (9224-03).
Vetoquinol recalled the product after receiving an “abnormally high” number of reports of allergic reactions in animals following use of product from the lot in question, Health Canada said in a release Wednesday.
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The reports involved 14 dogs and “possibly one cat” that developed swelling and hives within minutes or hours of receiving an injection, the federal health department said, noting all those animals were treated immediately and have “fully recovered.”
While mainly used to treat various infections in large animals such as cattle, sheep, pigs and horses, Longisil is also sometimes used in cats and dogs, Health Canada said. The product is available only by prescription from a veterinarian.
Health Canada advised livestock producers and pet owners whose animals are being treated with Longisil to contact their veterinarians “immediately” if they notice any symptoms of an allergic reaction following use of the drug.
Symptoms of an allergic reaction range from mild to serious and can include skin rashes, swelling, and difficulty breathing and/or swallowing, the department said.
Veterinarians using Longisil to treat animals are asked to report any such “adverse events” to Vetoquinol and directly to Health Canada.
