Do Onychomycosis Go Away?

Fungal infections of the toenails — also known as onychomycosis — don't go away on their own, and if left untreated, the fungus will spread and can eventually destroy the nail.

How long does onychomycosis last?

Toenail fungus, called onychomycosis, lurks in shoes and boots where moisture is easily trapped, and fungal spores can remain alive and active from 12 to 20 months.

What happens if onychomycosis is left untreated?

It is uncommon for an infected nail to cause severe pain or permanent disfigurement, but this does occur in some cases. If left untreated, fungal nail infections can cause difficulties with walking, exercising or manual tasks such as typing. The main symptoms of onychomycosis include the nail becoming: Brittle.