Why does the scar after cesarean section itch?

Scars are the marks left on the wound after surgery. They are usually white or off-white, smooth and hard in texture. About two to three weeks after the surgical incision becomes scarred, the scar begins to proliferate and the area becomes red. , turn purple, harden, and protrude from the skin surface. There are new nerve endings in the scar, but they are disorganized. The scar hyperplasia period lasts for about three months to half a year, and the fibrous tissue proliferation gradually stops and the scar gradually becomes flat. Soft and the color changes to dark brown. At this time, the scar will appear painful and itchy, especially the itching. Especially when sweating a lot or the weather changes, you will often feel itchy until you scratch the scar and see blood on the surface before giving up. In summer, the human body often sweats. Sweat is composed of water, salt (sodium chloride, potassium chloride), protein and urea. When sweating, scars are soaked with sweat, and the salt in the sweat will irritate the scars. The nerve endings inside the scar cause pain and itching. When the weather changes, the temperature difference between hot and cold and the changes in dryness and humidity are much stronger than usual. The nerve endings in the scar can sensitively detect this change and It uses itching and pain as signals to tell people. For this extremely regular and sensitive to weather changes, people jokingly call it weather forecast. However, young mothers, don’t be afraid, the itching of scars will gradually resolve itself over time. disappear. 1. Do not remove the scab prematurely after surgery. Forcibly removing the scab prematurely will take away the epidermal cells that are still in the repair stage, and even tear off the dermal tissue, and stimulate the wound to become itchy. 2. Apply some external drugs such as Furocinolone, triamcinolone, dexamethasone, etc. are used to relieve itching. 3. Avoid sunlight to prevent ultraviolet stimulation from causing pigmentation. 4. Improve your diet and eat more fruits, eggs, lean meat, meat skin, etc., which are rich in vitamin C, E and foods containing essential amino acids. These foods can promote blood circulation and improve epidermal metabolism. Avoid eating spicy foods such as peppers, onions and garlic. 5. Keep the scar area clean and hygienic, wipe off sweat in time, do not scratch it with your hands, rub the scar with clothes or wash it with water to relieve itching, so as not to aggravate local irritation, promote inflammatory reaction of connective tissue, and cause further itching.