It is an allergic reaction to substances found mainly in the saliva that the flea injects when it stings a dog. A single bite can trigger a seizure, and several stings can trigger a violent reaction in some dogs.
Affected dogs should be treated all year round with appropriate insecticides and with specific treatment in case of crisis.
It is an allergy to one or more ingredients found in the dog’s diet (ration or sweets). It is managed with a suitable diet, excluding the incriminated ingredients, and a specific treatment in case of crisis.