Fleas, in large numbers, can cause anaemia, irritation and Flea Allergy Dermatitis (FAD). When the flea bites your animals the flea’s saliva is injected into your pet. The saliva is the substance to which your pet becomes allergic. So one flea bite can start a FAD problem. Signs of flea infestation are: Scratching and biting, … Continue reading Ticks & Fleas