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What Causes Onychomycosis? Discover the Culprits Behind Nail Infection!
Published: Jan 29, 2024
Nail infections like onychomycosis might seem mysterious, but uncovering their origins can help in prevention and treatment.
Fungal Friends and Foes
Onychomycosis is primarily caused by dermatophytes, with Trichophyton rubrum being the most common offender. These fungi are particularly prevalent in warm and moist environments, making feet a perfect target. Besides dermatophytes, yeasts and molds like Candida species and nondermatophyte molds also contribute to nail infections.
Factors That Increase Risk
Certain conditions can make you more susceptible to onychomycosis. These include existing skin conditions like athlete's foot, diabetes, or a weakened immune system. Other risk factors include nail injuries, wearing tight shoes, and having damp feet for prolonged periods.
Yeasts and Molds: Lesser-Known Invaders
While dermatophytes are the usual suspects, yeasts like Candida can cause nail infections too, especially in the fingernails. Molds, though less common, can also be culprits, particularly in toenail infections.
Frequently Asked Questions
Dermatophytes, especially Trichophyton rubrum.
Yes, factors like tight shoes and damp feet increase risk.
Yes, Candida yeasts can infect nails.
Yes, they can particularly affect toenails.
The Bottom Line
Understanding the causes of onychomycosis is key to prevention and effective treatment.
References
- Ghannoum MA, Hajjeh RA, Scher R, et al. A large-scale North American study of fungal isolates from nails: the frequency of onychomycosis, fungal distribution, and antifungal susceptibility patterns. J Am Acad Dermatol 2000; 43:641.
- Gupta AK, Gupta G, Jain HC, et al. The prevalence of unsuspected onychomycosis and its causative organisms in a multicentre Canadian sample of 30 000 patients visiting physicians' offices. J Eur Acad Dermatol Venereol 2016; 30:1567.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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