Edema
Edema Information
Edema is a localized or general swelling caused by the build-up of fluid within body tissues. Edema most commonly occurs in the feet and legs, where it also is referred to as peripheral edema. Injury may result in temporary swelling. Excess fluid may be a result of poor circulation of the blood; a failure of the lymphatic system to disperse the fluid; various diseases and disorders; or a combination of factors.
Other causes of edema include fluid retention caused by disease of the heart or kidneys or a reduction in the amount of protein in the blood, which may occur as a result of cirrhosis, chronic nephritis, malnutrition, or toxemia of pregnancy (preeclampsia). Localized edema may result from injury or infection. Some other less serious causes of edema are birth control pills, premenstrual syndrome, or a diet extremely low in protein. An imbalance of sodium and potassium in the body also causes fluid retention. This can be from too much salt in the diet or a lack of potassium.
Edema Treament
Diuretics are used to treat virtually any disorder in which there is an excessive build-up of fluid in the body (edema). These include disorders of the heart (such as heart failure), liver, and kidneys. Some weak diuretics are used to decrease excessive fluid pressure within the eyeball (glaucoma). Diuretics are used to treat certain lung disorders in which fluid accumulates in the lung tissue (pulmonary edema). They may also be used to decrease high blood pressure (hypertension) and to treat overdosage of certain drugs.
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