According to Right Diagnosis, cold knees are usually caused by blood flow problems. Many different conditions cause these blood flow problems, including diabetes, peripheral vascular disease and deep vein thrombosis. These conditions cause a cold sensation not only in the knee but also on the skin of the knee when the individual touches it.Know More
Right Diagnosis lists deep vein thrombosis as a blood clot that occurs in deep veins. Although blood clots occur all over the body, these tend to cause the sensation of cold knees because they occur mostly in the thigh and calf area. This restricts blood flow in the lower half of the body, often making areas of the body cold to the touch. This problem is frequently accompanied by cold feet as well.
Poor blood circulation is one of the symptoms that accompanies diabetes, according to Diabetes.co.uk. A person suffering from poor circulation has inadequate blood flow throughout the body. This leads to a cold and sometimes numb feeling in areas of the body that are not getting enough blood flow. Diabetics usually notice poor circulation in their outer-most extremities, including the hands and feet; however, the effects of poor circulation are often felt in other areas of the body, such as the knees.Learn more about Conditions & Diseases
An ocular migraine, which causes short-term vision loss or distorted vision in a single eye, occurs when blood vessels near the eye suddenly tighten, leading to decreased blood flow to the eye, explains WebMD. Most ocular migraines occur up to an hour. Normal vision typically resumes within 5 minutes.Full Answer >
According to Net Wellness and BioMed Central, chronic small vessel ischemic changes are progressive changes that occur in the amount of blood flow through an artery when it becomes narrow, obstructed or hardened. Small vessel ischemic changes can occur due to lack of blood flow to the brain, otherwise known as arteriosclerosis.Full Answer >
Gangrene occurs when tissues in the body die because of a lack of proper blood flow, according to PubMed Health. Although gangrene most commonly affects the fingers, toes and other external parts of the body, it can also affect internal organs, notes WebMD.Full Answer >
Nerve damage in the foot is sometimes treated with infrared light to stimulate blood flow, according to Great Lakes Caring. In addition, damage may be treated with surgery, by making changes to diet, switching medications, stopping alcohol use, controlling blood sugar and through the use of physical therapy exercises, notes The New York Times.Full Answer >