Onychomycosis is the most prevalent nail disorder. The distal and lateral subtypes are the most common, leading to subungual hyperkeratosis, chromonychia, and onycholysis. Fungal invasion typically ...

Having a loose toenail or fingernail can be a troubling symptom, especially if you don't know what caused it. Usually, getting a loose nail is a gradual process that only impacts part of the nail.