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Parasite140076-fig1 Dirofilaria repens removed from a subcutaneous nodule - Photos.png
Comparison of probable Dirofilaria repens (left) and Dirofilaria immitis (right)
SpecialtyInfectious disease Edit this on Wikidata

Dirofilariasis is an infection by parasites of the genus Dirofilaria.[1] It is transmitted through a mosquito bite bite and the main hosts include dogs and wild canids. These can give rise to granulomas in the pulmonary artery. Some of the common symptoms include cough, fever and pleural effusion. It can also appear in the X-Ray of the chest.[2]


It can be caused by:


Dirofilariasis is often diagnosed by the examination of tissue obtained as part of the diagnostic investigation of coin lesions. Blood tests are not yet helpful in the diagnosis of dirofilariasis in humans.[3]


Treatment with tetracycline antibiotics has been reported to damage Dirofilaria immitis, often causing death of adult worms.[4]


  1. ^ "Dirofilariasis: Practice Essentials, Background, Pathophysiology". 2017-02-09.
  2. ^ "Dirofilariasis FAQs". Center for disease control and prevention. February 8, 2012. Retrieved May 16, 2019.
  3. ^ Prevention, CDC - Centers for Disease Control and. "CDC - Dirofliariasis - Frequently Asked Questions (FAQs)". www.cdc.gov. Retrieved 2017-10-08.
  4. ^ Kramer, L.; Grandi, G.; Leoni, M.; Passeri, B.; McCall, J.; Genchi, C.; Mortarino, M.; Bazzocchi, C. (2008-12-10). "Wolbachia and its influence on the pathology and immunology of Dirofilaria immitis infection". Veterinary Parasitology. 158 (3): 191–195. doi:10.1016/j.vetpar.2008.09.014. ISSN 0304-4017. PMID 18947926.

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