The man's lips have been purple for many years.

If a person is under oxygen deprivation, poisoned, in shock, has congenital heart disease, respiratory failure, or has a genetic constitution, their lips may turn black. In fact, black lips are caused by problems with the heart and lungs, which can affect the amount of oxygen transported by the blood in the body. If the amount of oxygen is significantly reduced, it will first show up in the black lips. Let's discuss why men have black lips for many years.

What is the reason for a boy's lips to be black for many years?

As for men's lips turning purple for a long time, if they are healthy and have no other discomfort, it is normal. Some people are born with this condition. But in traditional Chinese medicine, there are many reasons for black lips. For example, patients with heart disease often have purple lips, patients with liver disease will also have dull complexion and black lips, and patients with tuberculosis and lung cancer will also have black lips. In addition, local ischemic hypoxia can also cause black lips. It is recommended to go to a regular hospital for a physical examination and give treatment according to the test results.

1. When you are very tired and often lose your appetite, your lips will turn black. In some cases, your lips will turn black after you have done intense exercise.

3. It may be a lack of certain vitamins. The most common is a lack of vitamin C. In this case, the mouth will appear black or purple-black spots.

4. Frequent black lips may indicate abnormalities in the digestive tract, such as loss of appetite, constipation, diarrhea, bloating, and a purple-black mouth.

5. In fact, the color of the lips indicates the physical condition, so black lips must be paid attention to. It may be chronic adrenal hypofunction or cysts in the digestive system, and there is also the possibility of syphilis. In this case, black deposits and dark spots may appear.