Details about toxoplasmosis for technicians.
Common disease name
Toxoplasmosis
(Toxoplasmosis involves a protozoon parasite that infects virtually all warm-blooded vertebrates.)
Scientific name
Toxoplasma gondii
Method of infection
Cats: Ingestion of oocysts in feces, ingestion of tissues of intermediate host (e.g. rodents)
People: Ingestion of uncooked meat, exposure to infected cat feces (food, water, soil); usually not from shedding cat. Oocysts must sporulate in the environment before becoming infective.
Signs
Cats: Rarely causes clinical signs, but may cause lymphadenitis, encephalitis, coughing, dyspnea, weight loss, and lethargy
People: Rarely causes clinical signs, but may cause flu-like symptoms; in people with deficient immune responses it can lead to death, congenital malformation, or mental retardation
Treatment
There are no approved treatments, but clindamycin hydrochloride, pyrimethamine and a sulfonamide, and a trimethoprim-sulfonamide combination have been used with success.
People most at risk
Everyone is at risk, but especially immunosuppressed people, including pregnant women, fetuses, and children
Prevention
FDA approves oral drug for broad canine protection against parasites
October 7th 2024Elanco's lotilaner, moxidectin, praziquantel, and pyrantel chewable tablets (Credelio Quattro) provide a single monthly dose for protection against fleas, ticks, heartworms, roundworms, hookworms, and 3 species of tapeworm.
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