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Oedema is the abnormal pooling of fluid in the tissues. Odema may be caused by increased pressure in the capillaries, blocking of a vein (as in varicose veins, thrombophlebitis, or pressure from tight casts, tight bandages, or garters), congestive heart failure, kidney failure, liver cirrhosis, overactive adrenal glands (as in Cushing's syndrome), steroid therapy, and inflammatory reactions. Oedema may also occur because of loss of serum protein in burns, draining wounds, excessive bleeding, ne