Cold from the knee down to the foot may be caused by cold, vascular embolism of the lower limbs, multiple aortitis and other diseases.
1. Cold: Because the outside temperature is too low, the area from the knee down to the foot is not kept warm, resulting in the phenomenon of coldness.
2. Lower extremity vascular embolism: Lower extremity vascular embolism is caused by prolonged bed rest, resulting in insufficient blood supply to the lower extremities and a drop in skin temperature in the affected area.
3. Polyarteritis: If the inflammation involves the thoracic aorta and abdominal aorta, it can cause arterial stenosis and occlusion at the corresponding lesions, resulting in head and neck, upper limb hypertension and symptoms of insufficient blood supply to the lower limbs. Such as headache, dizziness, lower extremity cold, intermittent claudication. Lower extremity skin temperature is low, and the pulse at the distal end of the obstruction is significantly weakened or absent.
There may be other reasons for cold feet below the knee. If the symptoms are not relieved after warming or accompanied by other uncomfortable symptoms, you should go to the hospital in time to clarify the cause of the disease.