What are the diseases that fleas transmit?

Cat scratching

Fleas are parasites that multiply very quickly and cause a lot of discomfort to both the cat and the people who live with it. But in addition to that, they are unwanted tenants capable of transmitting diseases.

Therefore, it is very important to protect our furry from them by putting an antiparasitic, since there are several diseases that fleas transmit.


Anemia is a consequence of blood loss that occurs when the animal has a severe flea infestation. When these parasites adhere to the body of the hairy, what they do is inoculate their saliva in the wound in order to prevent the blood from clotting, so that they can continue sucking for much longer. Symptoms are: general weakness, dry skin, light pink gums, listlessness.

Allergic dermatitis

It is an allergic reaction caused by flea saliva. It is very common, especially in areas with a warm climate, such as the Mediterranean region. Among the most common symptoms we highlight itching and inflammation, which causes the cat to scratch much more than normal and can become injured.


It is a bacterial disease transmitted by fleas. Diagnosis is sometimes delayed, as symptoms take about two weeks to appear. These are: depression, tiredness, anemia, weight loss, weakness, jaundice, and fever. It is a very serious problem that can cause death if it is not treated in time.

Bubonic plague

It is an extinct disease in many countries, but still present in others, especially in the poorest regions of the world. It is a flea-borne bacterial infection that causes fever, vomiting, weight loss, and listlessness.. As we well know, if it is not treated in time, it is fatal for the affected animal or person.

Cat near a scratching post

To prevent fleas from making your cat sick, you know, put an antiparasitic from the beginning of spring until well into the fall, especially if you live in an area with a warm climate.

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