Causes

Runner checking toenails after a run to spot early runner toenail fungus signs

Runner Toenail Fungus: Why It Happens and How t...

Runner toenail fungus is common because repeated toe impact, sweat and closed shoes create ideal conditions for fungus. A black toenail is usually bruising, not fungus, but damaged nails may...

Runner Toenail Fungus: Why It Happens and How t...

Runner toenail fungus is common because repeated toe impact, sweat and closed shoes create ideal conditions for fungus. A black toenail is usually bruising, not fungus, but damaged nails may...

Doctor examining a toenail sample under a microscope to identify Trichophyton indotineae

Trichophyton Indotineae: The Rise of Resistant ...

Trichophyton indotineae is a newly recognized fungus that often resists terbinafine, a common oral antifungal. It mostly affects body skin, though toenail cases have been reported. Most toenail fungus still...

Trichophyton Indotineae: The Rise of Resistant ...

Trichophyton indotineae is a newly recognized fungus that often resists terbinafine, a common oral antifungal. It mostly affects body skin, though toenail cases have been reported. Most toenail fungus still...

Is Toenail Fungus Hereditary? What Your Family History Really Means

Is Toenail Fungus Hereditary? What Your Family ...

Toenail fungus is not passed down directly, but susceptibility can run in families. Inherited immune and nail traits may raise your odds, while shared bathrooms, shoes, and daily habits add...

Is Toenail Fungus Hereditary? What Your Family ...

Toenail fungus is not passed down directly, but susceptibility can run in families. Inherited immune and nail traits may raise your odds, while shared bathrooms, shoes, and daily habits add...

Bare foot being being attacked by fungus

What Causes Toenail Fungus? The Fungi, Habits, ...

Microscopic fungi slip through tiny cracks in your skin to feed on nail keratin. Your biggest risks are sweaty shoes, wet locker rooms, untreated athlete's foot, nail injuries, and poor...

What Causes Toenail Fungus? The Fungi, Habits, ...

Microscopic fungi slip through tiny cracks in your skin to feed on nail keratin. Your biggest risks are sweaty shoes, wet locker rooms, untreated athlete's foot, nail injuries, and poor...