If symptoms are present, you should recognize them or be aware of the blood flow problem. Redness or discoloration of the feet and ankles Swelling (edema), often symmetrical and worse in the evening Heavy or tired legs when standing for a long time A feeling of warmth or a burning sensation under the skin In some cases: medication of healthy skin due to fluid retention or poor circulation As soon as you hear the sound of the word you might get worried, but if you do, you can benefit from the noticeable swelling.