Can a Fungal Infection Cause the Toenails to Become Thick and Yellow?
1. Introduction A fungal infection is indeed the most common clinical cause of toenails becoming thick and yellow. This condition, medically diagnosed as onychomycosis, occurs when microscopic fungi invade the nail bed and the structural tissue of the nail plate. As the fungal organisms proliferate, they consume keratin, the primary protein composing the nail, resulting … Read more