Keeping a healthy blood flow can become difficult as people get older. In order to help veins in the legs--which often have to work harder than those in other parts of the anatomy due to gravity and other difficulties--many people wear compression socks or hosiery. These items are offered both over-the-counter and by prescription. They can help keep blood flow normal, and some can even relieve tension and pain.
Process
Compression socks work by exerting pressure on the ankle, leg and sometimes thigh (depending on the height of the garment). This pressure assists the veins by enhancing the blood flow.
Strength
Compression socks are rated between 10 and 50 mmHG, which stands for millimeters of mercury. This is only a measurement of pressure, as there is no actual mercury in a compression sock.
Prescription
While compression socks rated at 10-20 mmHG may be purchased over the counter, it usually requires a doctor's prescription to purchase a compression sock with stronger pressure.
Benefits
Compression socks are worn for many reasons. Among them is to relieve strain and ache in the legs during flights or stringent activity, as well as to prevent blemishes such as spider or varicose veins.
Types
Compression socks can be either preventative, which stop conditions before they start, or relief oriented, which help fight certain conditions. Both types are available in a variety of lengths and styles.
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