[Quiz] Fungal Infections in Dogs: Test Your Knowledge and Keep Your Pet Safe

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The ear is a common site for yeast infections. Warning signs include head shaking and, in some cases, a pleasant aroma.

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Fungal infections are not communicable, with the exception of a few skin infections like ringworm.

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In many cases, incorrect diagnoses of fungal illnesses occur. Diseases that cause weight loss, skin sores, lameness, loss of appetite, and fever are often misdiagnosed. Obtaining biopsy specimens that contain the etiologic agent is notoriously challenging.

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Infection with the yeast Malassezia can cause a variety of uncomfortable side effects, such as itchiness, a foul odour, oily skin, hair loss, skin colouring (red or black), and skin thickening.

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Coccidiomycetes, in contrast to Blastomycetes, needs practically the exact opposite conditions. Due to their ability to "masquerade" as other diseases, including cancer, both are frequently misdiagnosed by veterinarians. Cancer-like features can be seen in X-rays of lesions caused by fungal infection.

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Dogs like retrievers who spend a lot of time in or near water are more likely to have blastomycosis. Blastomycosis can cause lung lesions in up to 85% of affected dogs and eye lesions in up to 40%. Small, abscess-like sores on a dog's skin frequently drain pus.

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Ketoconazole is the go-to medicine for treating fungal infections, although the others are useful as well. Its relative affordability makes it a great option for those on a tight budget (although it may be less effective.) Itraconazole and fluconazole, which are chemically related, cost significantly more but may have fewer negative effects.

However, they can be rather costly; for instance, once a month therapy with fluconazole for a Labrador Retriever-sized dog will run you around $1500.00, and dogs with systemic fungal infections may require lifelong medication. The use of ketoconazole in canines necessitates regular blood work to check for potential liver damage.

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Most dogs with cryptococcal illness also experience neurological issues. Vision issues are also very common.

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Histoplasmosis is commonly spread through prolonged contact with large quantities of bird faeces, particularly pigeon faeces. Histoplasmosis can also be transmitted through contact with bat guano. However, some indoor dogs have contracted histoplasmosis, likely through potting soil contaminated with dog faeces.

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There are four types of fungi that can cause ringworm on the skin. The hairless, worm-shaped lesions on the dog's skin are itchy and uncomfortable. Topical treatments, such as medicated shampoos, are the standard approach to dealing with ringworm. Avoid touching the sores if you want to prevent spreading ringworm.