What Causes Toenails to Turn Yellow?

TL;DR

Onychomycosis, a fungal infection that affects nails, can cause yellow, misshapen, and brittle nails. It affects 10% of the population, with higher rates in older individuals. Dermatophytes, yeasts, and molds are common causes.

Transcript

Have you ever seen the toenails of your grandfather and thought he might be a troll? Those yellow, misshapen and brittle nails tend to make small children cringe, and in response, he wears knee high black socks with sandals. Known as Onychomycosis, this unshapely blemish effects about 10% of the total population. 20% of people over 60, and 50% of p... Read More

Key Insights

• 🥶 Onychomycosis affects approximately 10% of the population, with higher prevalence in older individuals.
• 🇲🇩 Dermatophytes, yeasts, and molds are the main culprits behind onychomycosis.
• 💛 Onychomycosis is characterized by yellow, misshapen, and brittle nails caused by the deterioration of keratin due to fungal infection.
• 🐌 The infection is more likely to occur in individuals with diminished blood circulation, slow-growing nails, nail injuries, a weakened immune system, diabetes, AIDS, and a family history of fungal infections.
• 😩 Environmental conditions, such as walking barefoot in damp places and wearing non-ventilated footwear, also increase the risk.
• 👨‍⚕️ To address onychomycosis, doctors may recommend topical anti-fungal agents for localized infections and oral medications for widespread infections.
• ❓ Proper diagnosis is crucial to determine the most effective treatment for onychomycosis.

Questions & Answers

Q: What are the common causes of onychomycosis?

Onychomycosis is most commonly caused by dermatophytes, but certain yeasts and molds can also be responsible for the infection. These fungi invade the dead layers of tissue that contain keratin, which is abundant in hair, skin, and nails.

Q: How do dermatophytes cause nail deformities?

Dermatophytes infect keratin-rich cells in nails and release sulfite, which is crucial for their growth and proliferation. Sulfite attaches to cysteine bonds in keratin, resulting in brittle and misshapen nails.

Q: What factors increase the risk of developing onychomycosis?

Risk factors include diminished blood circulation, slow-growing nails, nail injuries, a weakened immune system, family history of fungal infections, diabetes, AIDS, and environmental conditions like walking barefoot in damp places and wearing non-ventilated footwear.

Q: What are the treatment options for onychomycosis?

Treatment options depend on the specific nature of the nail problem. Topical anti-fungal agents like benzoic acid, Batrafin, or Nystatin are used for localized infections, while oral medications target widespread infections. It is advisable to consult a doctor for proper diagnosis and treatment.

Summary & Key Takeaways

• Onychomycosis, a fungal infection, affects nails, causing yellow, misshapen, and brittle nails.

• Dermatophytes, yeasts, and molds are common causes of onychomycosis.

• Factors like age, gender, weakened immune system, and environmental conditions increase the risk of developing onychomycosis.