Causes and Risk Factors
Tinea manuum is caused by dermatophytes, which are fungi that thrive in warm, humid environments. The most common cause is Trichophyton rubrum, but other species like Trichophyton verrucosum (from cattle) and Microsporum canis (from cats and dogs) can also be responsible. Some of the risk factors for developing tinea manuum may include pre-existing fungal infections and health issues, direct contact with infected people or animals or environmental and occupational factors.
Pre-existing fungal Infections elsewhere on the body, such as athlete’s foot, increase the risk of developing tinea manuum. Direct contact with someone or an animal with a fungal infection can spread the disease. Environmental factors like using public showers, living in humid environments, or working with soil can increase exposure to fungi. People working with their hands, such as mechanics, farmworkers, or veterinarians, are at higher risk due to increased exposure to potential sources of infection. Pre-existing health conditions like weakened immune systems, diabetes, or high blood pressure are more susceptible to fungal infections.
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