Common types of thick toenails include onychomycosis (a type of nail infection), onychauxis (a form of nail overgrowth), and onycholysis (when the nail separates from the nail bed). Onychomycosis ...

Conditions such as onychomycosis, where a new nail grows beneath an infected one, and onychauxis, which causes curling and yellowing, are frequent culprits. Injuries or immune-related conditions ...

When they originate from the hyponychium they can cause nail elevation and onychauxis (abnormal overgrowth and/or thickening of the nail) (see Figure 6) (Tosti & Piraccini, 2001). Most often ...