C

Callus: an acquired, localised area of thickening resulting from continued physical trauma.

Candidiasis: fungal infection.

Cellulitis: deep infection of the tissues characterised by oedema, warmth and tenderness.

CHD: Coronary Heart Disease.

Charcots arthropathy: a disease that often results in destruction of joints and soft tissue of the foot.

Cholesterol: a fatty substance normally produced by the body also found in animal foods and carried by the blood. May cause clogging of the blood vessels when levels are too high.

Comorbidities: co-existing or additional diseases with reference to an initial diagnosis.

Corn: circumscribed conical keratinous mass.

CVD - cardiovascular disease: disorders of the cardiovascular system.

Cyanosis: blueness associated with reduced haemoglobin in the blood.