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What are the types of parasites in dogs? Some pests can infest dogs. It is essential to know them well, as well as their mode of infestation and the symptoms of the diseases they provoke, to be able to fight them effectively thanks to antiparasitics.

What are the types of parasites in dogs? 



The flea is a tiny 2mm insect that stings to drink from dogs’ blood. The cycle of the chip is particularly fast:

  • Within 30 minutes after arriving on the dog, the chip takes its first blood meal.
  • Within 48 hours, a female can lay up to 50 eggs per day for 50 to 100 days, with an average of 20 to 30 eggs per day over two months.

Diseases transmitted

In general, dogs support the presence of fleas in their coat, even if it scratches them. But they may develop a flea allergy dermatitis (DAPP). In this case, itching becomes intolerable: they scratch frantically, at the risk of grazing until blood. They can even develop a significant pruritus resulting in depilations, even wounds.



Ticks are mites that measure 3 to 6 mm on average:

  • They cling by their rostrum (snout) to the skin and pump the blood.
  • They fall when they are sated and cause only a small local irritation.

Diseases transmitted

If ticks cause only slight local irritation, they can, however, transmit severe diseases :

  • Piroplasmosis: destroying red blood cells; this prevalent disease is characterized by:
    • fever ;
    • dark-colored urine;
    • anemia
    • sometimes jaundice;
    • frequently, liver, and kidney complications.
  • The treatment consists of the injection of specific drugs that rid the body of parasites.
  • Ehrlichiosis: it attacks white blood cells. The affected animals present:
    • fever ;
    • a great fatigue;
    • nasal or cutaneous hemorrhages, sometimes accompanied by edema and anorexia.
  • The administration treats this disease of an antibiotic, sometimes supplemented by a transfusion for very anemic animals.
  • Lyme disease: It usually occurs between May and October. Its most common symptoms are:
    • loss of appetite
    • joint and muscle pain;
    • fever.
  • She treated with antibiotic treatment for 2 to 3 weeks.

The sandflies


The sandfly is active at dusk when it is hot and humid.

Transmitted disease

Phlebotomine mainly causes leishmaniasis, which usually manifests itself as follows:

  • A skin condition develops: the areas around the eyes, nose, ears, and neck are out of hair. In these places, the skin is thick, dry, and cracked.
  • Ulcers form on the skin.
  • The claws grow abnormally.

The treatment of leishmaniasis never completely cures the animal, but transforms it into a carrier of the parasite:

  • The symptoms of the disease disappear, but relapses are frequent and require the resumption of treatment.
  • Dogs with leishmaniasis often die of uremia because kidney damage is typical during the disease.

The Sarcoptes scabies


The sarcSarcoptesopter scabies is probably the most dangerous external parasite. He lays in galleries that he digs under the skin, causing:

  • intense itching
  • festering lesions, with alopecia areata.

Transmitted disease

The Sarcoptes, therefore, causes scabies, a highly contagious disease that is caught by simple contact and can transmit to humans. There are two forms:

  • The ear mites, benign, is characterized by an ear infection; it is an inflammation of the ear canal:
    • Small crusts appear which feed the parasite.
    • It is a disease elementary to treat, thanks to the application of ear drops.
    • It can not transmit to the man.
  • On the other hand, body scabies is a severe and contagious disease :
    • It manifested by pimples, inflammation, and loss of hair.
    • A bacterial infection can complicate it.
    • This disease is difficult to treat despite the existence of appropriate treatments.
    • Treatment of antiseborrheic shampoos, anti parasite baths, and anti-inflammatory administration. In case of infection, antibiotics added to the previous procedure.

the Demodex


The Demodex is a tiny mite present in all dogs. The animal wholly supports it unless it pullulated.

Transmitted disease

The Demodex present in large numbers causes demodicosis, which can be fatal in some cases. But only very weak or immunodeficient animals develop it. She has these symptoms:

  • erythema plaques;
  • hair loss;
  • presence of dandruff.

And it is characterized in the following ways:

  • Face, eyes, and chins are various locations, but limbs or trunk may also be affected.
  • The disease can become generalized and over-infected. In this case, it becomes severe and challenging to treat.
  • Its treatment by acaricide baths and possibly the administration of a superinfection antibiotic.

Note: the application of pest control is the only way to avoid pest infestations and diseases they cause.

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