Ordinary And Not So Ordinary Causes Of Swelling

Main Category: Public Health
Article Date: 15 Jul 2008 - 1:00 PDT

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Puffy feet and swollen legs usually aren't reason for alarm. But the key word is "usually."

The reasons for edema (swelling) often are ordinary hot weather, sitting or standing for a long time or eating too much salty food. If the swelling isn't accompanied by other signs and symptoms and goes away within about 24 hours, a visit to the doctor probably isn't needed.

Longer-lasting or recurring edema, even if fairly slight, typically warrants a doctor's appointment, according to the July issue of Mayo Clinic Heath Letter. Some causes of edema are serious, such as heart failure, kidney disease, liver damage or blood clots. Edema can be a side effect of commonly used drugs such as certain blood pressure medications, hormones, medications that open blood vessels and nonsteroidal anti-inflammatory drugs. Some herbal supplements also can contribute to edema.

A doctor will try to identify the possible causes of edema. The underlying conditions and the edema can be treated. Chronic edema can cause pain and discomfort, itchy rashes, and reddish-brown skin discoloration. Treatment options include:

Sodium restriction Reducing salt consumption helps decrease retention of body fluids.

Diuretic drugs These medications increase the kidney's output of water and sodium and are most effective when patients reduce sodium consumption.

Exercise Moving and using the muscles of the affected area can enhance circulation of blood and body fluids.

Elevation Raising the affected limb(s) over the level of the heart for about 30 minutes or longer, while sleeping, helps blood and excess fluids circulate.

Compression stockings or bandages These keep pressure on limbs to prevent fluids from collecting in the tissues. Bandages and stockings typically are worn below the knees.

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