A clavus, also known as a corn or callus, is a thickening of the skin that usually occurs on the toes or other parts of the foot due to repeated pressure or friction. It is essentially a protective response of the skin to shield the underlying tissues from damage. The excessive buildup of callus forms a hardened area of skin. The pressure from this callused area creates a small pressure sore underneath, leading to discomfort.
Symptoms
- A hard, thickened area of skin, often around the toes, which can be painful under pressure.
- A central core that may feel deeper in the skin.
- Pain or discomfort when walking or wearing shoes.
- Redness and irritation around the clavus.
Causes
- Repeated pressure: Prolonged pressure from tight or uncomfortable shoes can lead to the formation of a clavus.
- Friction: Repeated rubbing against a part of the shoe or skin-to-skin contact.
- Bone abnormalities: Conditions such as hammertoes or other foot deformities that create abnormal pressure points.
- Genetic factors: Some individuals may be genetically predisposed to developing corns due to the shape of their feet or toes.
Diagnosis
The diagnosis of a clavus is typically made by a podiatrist or dermatologist based on the appearance and location of the thickened skin. The doctor may also examine the feet and assess footwear to identify the source of pressure.
Treatment
- Mechanical removal: Professional removal of the callus by a foot specialist.
- Protective pads: Special cushions placed over the clavus to reduce pressure.
- Proper footwear: Wearing well-fitting shoes that provide adequate space for the toes.
- Orthopedic adjustments: Custom-made insoles or modifications for people with foot deformities to reduce pressure.
Self-Care
- Wear proper footwear: Ensure shoes provide enough space and do not pinch or rub.
- Use moisturizing creams: Regular application of moisturizing creams can help keep the skin soft and prevent further thickening.
- Avoid high heels or tight shoes: These can place extra pressure on the toes and promote the formation of corns.
- Inspect your feet daily: Especially if you have diabetes or any condition that affects blood circulation to the feet.