Nasal disease in dogs due to fungal infection (aspergillosis) is common. The fungus causes inflammation in the nasal passages. These fungal infections usually result in the creation of a bacterial toxin that destroys the nasal tissues.
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Genus Aspergillus
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There are many types of fungi belonging to the genus Aspergillus. All of these fungi can cause canine nasal infections.
Origin
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These fungi multiply rapidly in rotting vegetation, sewage, moldy hay, soil and compost of rotting wood chips. The spores are inhaled by dogs while sniffing around.
Symptoms
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One of the main symptoms of canine nasal fungal infection is a continuous discharge. Younger dogs under three years of age are more vulnerable to the infection. Another symptom is pus-filled discharge which does not respond to medication. The disease also affects canine skeletal and cardiopulmonary systems.
Diagnosis
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The diagnosis is difficult and requires X-rays of the head. Complete analysis of nasal flushes or swabs in the laboratory is also required.
Treatment
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Clotrimazole, an antifungal medication, is infused into the canine nasal cavities. Surgery may be required if drug treatment fails.
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