A lot of blood vessels gathered in the face, it has a lot of blood flow. complexion of the blood of the amount and state is reflected, it is an important barometer of health. Sometimes it can also indicate a sign of disease, or to change complexion suddenly, if the complexion is bad state continues is suspected disease.
Increasing excitement and tension
Circulation of blood has been controlled by the autonomic nervous. The face becomes red when excited acts strongly sympathetic, which is one of the autonomic nervous system, which governs the workings of the heart, because up heart rate blood flow is temporarily active. Also, when tension acts strongly sympathetic skin, for the capillaries of the face contracts, the pale face.
Decrease in body temperature due to cold in the body
Body temperature has increased hypothermia of people of 35 Do-dai. As a cause, that and lack of exercise to dispense in the shower does not enter into the bath, too twist of cooling, intake of foods that cool the body, lack of energy due to excessive dieting, it will be considered, such as stress. Blood flow becomes worse when the body cools the blood vessels of the skin of the face is contracted, complexion will become worse.
The main diseases that cause bad complexion
By complexion, different disease suspected. Such time as complexion is pale, it will be considered anemia as the main cause. As of carbon monoxide poisoning, if the extremely oxygen is insufficient, complexion is the red that was flushed. In addition, cholelithiasis, in hepatitis or cirrhosis, tinged face is yellowish, in Addison’s disease and kidney failure, you may like appear darker.
Anemia
In most likely due to lack of iron, it is in conjunction with oxygen hemoglobin is reduced to carry oxygen to every corner of the body, the oxygen concentration in the blood thinned state. Numerical value of hemoglobin men 13.0g / dl or less, women and less than or equal to 12.0g / dl, it is the anemia. Since hemoglobin becomes red in combination with oxygen, it will pale face is less red taste and lack of hemoglobin.
Carbon monoxide poisoning
Gas leak, such as city gas and propane gas, incomplete combustion of petroleum stove, such as by the use of briquettes in Shimeki~tsu room, hemoglobin play a role in the blood to carry oxygen combine with carbon monoxide, the conjugate Since become a red tone, face turns red. Other headaches and vomiting, disturbance of consciousness, difficulty breathing happens.
Acute hepatitis
Virus is the cause of hepatitis, drugs, and alcohol, but it is not a lot by the virus. A type, typical symptoms suddenly strong general malaise of type B acute hepatitis, loss of appetite, vomiting, such as high fever, after such symptoms lasted about one week, jaundice appears eyes of the conjunctiva and of the face skin becomes yellow. or when hepatitis C has been transferred to the chronic hepatitis, face will be dark brown when it has further caused the progress cirrhosis.
Cholelithiasis
Lump bile that help in the digestion of lipids, gallbladder, gallbladder tube, is severe upper abdominal pain and gallstones can be in the common bile duct will occur. Is characterized by exiting the pain, such as sounds in the right shoulder, fever, also seen nausea and vomiting. In addition, bile flow is poor, or become yellow face happening jaundice, the color of the urine will or darker. When a seizure occurs, blood flow is reduced by shock symptoms, face becomes pale. There is a tendency to occur in people of middle age and later obesity.