Psoriasis
This is a medical condition affecting the skin and is caused by the disorder of the immune system which results in rapid skin accumulation. Psoriasis results in dry itchy skin on feet which flakes and peels. Toenails are one of the common parts to be affected by psoriatic nail dystrophy. Other than that, plaque psoriasis causes intermittent flare-ups of dryness and peeling or cracking skin. Pustular psoriasis also affects the feet and can cause blisters, dryness, itching, cracking, fever, and chills.