Hos 1 ud af 8 hunde, behandlet gentagne gange med 5 gange den anbefalede dosis, sås følgende forbigående bivirkninger: rystelser, ataksi, gispen og krampetrækninger.
In one out of 8 dogs repeatedly treated with five times the recommended dose, the following transient adverse effects were observed: tremors, ataxia, panting and convulsions.