Linguatila serrata in dogs and cats

Common info

Linguatula serrata (Tongue worms) is a type of parasite that can send to humans. Linguatula serrata (Tongue worms) will live in the respiratory, in the nasal cavity of mammals, causing rhinitis, chronic coughing, purulent nasal discharge, and nose bleeding.


In 1976, Eslami and his team found the larvae of the Linguatila serrata in an animal’s liver, in Tehran.


Dogs and cats will infect from eating organs of carriers that contaminated with Linguatula serrata (Tongue worms) such as cow, sheep. Once they infect, Linguatula serrata (Tongue worms) larvae will clamp on the upper gastrointestinal tract, stomach, or in the nasal cavity.


  • Asymptomatic
  • Rhinitis
  • Chronic sneezing
  • Coughing
  • Purulent nasal discharge
  • Nose bleeding

Dogs and cats that infect Linguatula serrata (Tongue worms) usually asymptomatic, but if there are many Linguatula serrata (Tongue worms) in the body, it can cause rhinitis, colds, chronic sneezing or coughing, purulent nasal discharge, and nose bleeding.

Treatment and Prevention

There are a few reports that Ivermectin is effective for the treatment of Linguatula serrata (Tongue worms) in dogs and cats. Avoid your pet to eat raw organs of the carriers Linguatula serrata (Tongue worms) in dogs and cats is the best prevention.

  1. Wikipedia | Information of Linguatula serrata
  2. Link Springer | Linguatula serrata (frolich 1789) nymphs in lungs of goats in Iran
  3. Parasitipedia | LINGUATULA SERRATA, respiratory parasite of DOGS and CATS.
  4. Lazo, R.F., E. Hihalgo, J.E. Lazo, A. Bermeo, M. Llaguno, J. Murillo and V.P.A. Teixeira. 1999. Ocular Linguatuliasis in Ecuador: Case Report and Morphometric Study of The Larva of Linguatula Serrata. Am. J. Trop. Med. Hyg. 60(3): 405–409.
  5. Oluwasina, O.S., O.E. ThankGod, O.O. Augustine and F.I. Gimba. 2014. Linguatula serrata (Porocephalida: Linguatulidae) Infection among Client-Owned Dogs in Jalingo, North Eastern Nigeria: Prevalence and Public Health Implications. Journal of Parasitology Research. 916120: 1-5.
  6. Rezaei, F., M. Tavassoli and A. Mahmoudian. 2011. Prevalence of Linguatula serrata infection among dogs (definitive host) and domestic ruminants (intermediate host) in the North West of Iran. Veterinarni Medicina. 56(11): 561–567.
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