Mesocestiodes spp. in dogs and cats

Common info

Mesocestiodes spp. is a group of tapeworms in dogs, cats, and other Canis species. Some types of Mesocestiodes spp.  parasites can also occur in birds. When dogs and cats infect, Mesocestiodes spp. will cause anorexia, diarrhea, mucous feces, ascites, and peritonitis.


In 1863, Vallant discovered Mesocestiodes spp. parasites in North Africa.


Dogs and cats will eat small animals (Rats, snakes, frogs, lizards, etc.) that have larvae of Mesocestiodes spp. parasites. Mesocestiodes spp. will be on the intestinal wall to grow and breed.


  • Ascites
  • Diarrhea
  • Loss of appetite
  • Mucous feces
  • Peritonitis
  • Asymptomatic

Usually, dogs and cats that infect Mesocestiodes spp. will not show symptoms. In some cases infected of Mesocestiodes spp., they may have loss of appetite, diarrhea, mucous feces, peritonitis, ascites, and these symptoms can cause by other factors.

Treatment and Prevention

Use Praziquantel, to treat the infection Mesocestiodes spp. in dogs, and Nitazoxanide in cats. Mesocestiodes spp. can prevent by giving them a dewormer often and be careful not to let your dogs and cats eat infected animals.

  1. Parasitipedia | MESOCESTOIDES spp, parasitic tapeworms of DOGS and CATS.
  2. Bonfanti, U., W. Bertazzolo, L. Pagliaro, B. Demarco, L. Venco, M. Casiraghi and C. Bandi. 2004. Clinical, Cytological and Molecular Evidence of Mesocestoides sp. Infection in a Dog from Italy. J. Vet. Med. 51: 435–438.
  3. Eleni, C., P. Scaramozzino, M. Busi, S. Ingrosso, S. D’Amelio and C. De Liberato. 2007. Proliferative Peritoneal and Pleural Cestodiasis in a Cat Caused by Metacestodes of Mesocestoides sp. Parasite. 14: 71-76.
  5. Etges, F.J. 1991. The Proliferative Tetrathyridium of Mesocestoides vogae sp. n. (Cestoda). J. Helminthol. Soc. Wash. 58(2): 181-185.
  6. Gallas, M. and E.F. Silveira. 2011. Mesocestoides sp. (Eucestoda, Mesocestoididae) parasitizing four species of wild felines in Southern Brazil. Rev. Bras. Parasitol. Vet. 20(2): 168-170.
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