01/20/2026
Pachyonychia congenita is a rare genetic condition that causes thick, curved nails and painful calluses on the soles of the feet, often beginning in childhood. The skin may form firm areas that make standing or walking difficult, and the nails can become sharply thickened, discolored, or tender when pressure is applie...
Read more: https://www.einhornfootcare.com/component/k2/item/1091-pachyonychia-congenita-and-how-it-affects-the-feet