Dry Skin (Xerosis): This is a common condition that can cause itching on the feet, especially in dry environments or during winter months. It's more likely in individuals who do not have diabetes, as diabetes can lead to different types of foot issues, including neuropathy and infections.

Athlete's Foot (Tinea Pedis): A fungal infection that can cause itching, burning, and cracking of the skin on the feet. It's contagious and can be spread through direct contact with an infected person or by walking barefoot in areas like swimming pools or locker rooms.
Contact Dermatitis: An allergic reaction or irritation caused by substances like soap, detergent, or certain materials in shoes. This can lead to itching, redness, and small blisters on the feet.
Eczema (Atopic Dermatitis): A condition that makes the skin red and itchy. It can appear anywhere on the body, including the feet, and is often seen in people with a history of allergies or asthma.

Lymphoma: Although rare, certain types of lymphoma can cause itching all over the body, including the feet, without any other symptoms. Missing this diagnosis could be critical.
Hypothyroidism: Severe hypothyroidism can cause dry skin and itching, among other symptoms. While not immediately life-threatening, untreated hypothyroidism can lead to serious health issues.
Kidney or Liver Disease: Both kidney and liver diseases can cause itching due to the buildup of toxins in the body. These conditions are serious and require prompt medical attention.

Pityriasis Rubra Pilaris: A rare skin disorder that can cause itching and scaling of the skin, including on the feet.
Keratolysis Exfoliativa: A condition characterized by the peeling of the skin on the palms and soles, which can be accompanied by itching.
Idiopathic Itching: A condition where the itching has no identifiable cause, which can be frustrating for both patients and healthcare providers.