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Cheyletiellosis Cheyletiellosis is a mild pruritic skin disease in dogs caused by Cheyletiella yasguri. Humans can be transiently infected.
Chiggers Chiggers, also known as harvest mites, can cause itching, redness and crusting in dogs.
Demodex Demodex also known as demodicosis live in small numbers in the sebaceous glands and hair follicles. These mites can cause inflammation and hair loss, they can also lead to secondary bacterial infections such as fever, lethargy, and in larged lymph nodes.
Ear mites Ear mites in dogs are microscopic members of the species Otodectes cynotis. Symptoms include itching, inflammation, and black debris in the ear.
Fleas Fleas in dogs cause itching and hair loss. The most common flea in dogs is the cat flea, Ctenocephalides felis, followed by the dog flea, C. canis.
Heartworm Heartworm disease in dogs is spread by mosquitoes and is spread by the parasite Dirofilaria immitis. Signs include cough, difficulty breathing, and death.
Hookworms Hookworms are a common parasite of dogs. Most common is Ancylostoma caninum, followed by Uncinaria stenocephala and A. braziliense. Signs include diarrhea, vomiting, and weight loss.
Mange Mange in dogs include demodectic mange and sarcoptic mange. Demodectic mange is caused by Demodex canis. Signs include hair loss, redness, and scaling, and is not contagious to humans. Sarcoptic mange is caused by Sarcoptes scabiei canis. Signs include intense itching and scaling, and is contagious to humans.
Roundworms Roundworms (see also toxocariasis) infecting the dog include Toxocara canis and Toxascaris leonina. Signs are usually mild, but may include diarrhea, pot-bellied appearance, poor growth, and vomiting.
Sarcoptes scabiei Sarcoptes scabiei is a mite that burries into humans and dogs alike and causes scabies. There is only one symptom, itchy and red skin.
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