🦠 Nail Fungus — Symptoms and Causes
Nail fungus is medically called Onychomycosis. It affects fingernails or toenails and usually develops slowly.
⚠️ Symptoms of nail fungus
Common signs include:
🟡 Early signs
- White or yellow spots under the nail
- Mild discoloration (yellow, brown, or white)
🟠 Progressing infection
- Nail becomes thick and hard
- Nail looks rough, brittle, or crumbly
- Shape of nail starts changing
🔴 Advanced cases
- Nail separates from the skin (lifting)
- Pain or discomfort when pressing
- Foul smell from the nail
- Nail may turn dark or distorted
🧫 Causes of nail fungus
Nail fungus is caused by fungi that enter through small cracks in the nail or skin.
🧬 Main causes:
- Dermatophytes (most common type of fungus)
- Yeast infections
- Mold infections
🦶 Common risk factors
You are more likely to get nail fungus if you:
- Wear tight or non-breathable shoes
- Sweat a lot (especially feet)
- Walk barefoot in public places (pools, gyms)
- Have diabetes or weak immunity
- Have athlete’s foot
- Injure your nails
🧠 Why it happens more in toenails
- Toenails grow slower
- Less blood circulation compared to fingers
- Warm, moist environment inside shoes
🚨 When to see a doctor
Get medical help if:
- Nail is getting worse or spreading
- Pain develops
- You have diabetes or weak immunity
- Home treatment doesn’t work
🩺 Treatment options
- Antifungal nail creams or drops
- Oral antifungal medicines
- Medicated nail removal in severe cases
👍 Prevention tips
- Keep nails clean and dry
- Wear breathable shoes
- Don’t share nail clippers
- Treat athlete’s foot early
- Trim nails regularly
🧾 Bottom line
Nail fungus is common, slow-growing, and treatable—but it won’t go away on its own without proper care.
If you want, I can also show how to treat nail fungus at home safely vs when it needs prescription medicine.