Very Health Q&A Men’s Health

Why do boys have dark lips?

Asked by:Anya

Asked on:Apr 11, 2026 03:54 PM

Answers:1 Views:573
  • Astra Astra

    Apr 11, 2026

    Under normal circumstances, normal people's lips are pink, but sometimes we find that some people's lips are black. If the lips are black in normal times, it needs to be taken seriously. Black lips indicate that there is an abnormality in the health of the body, which needs to be paid attention to. It is best to go to the hospital for relevant examinations, find out the cause, and then treat the symptoms. Do not take drugs randomly.

    1. Digestive system

    After clinical research, it was found that the causes of darkened lips are closely related to diseases, especially to problems in the digestive system and other aspects. Insufficiency of the digestive system or long-term constipation, diarrhea and other symptoms will cause our lips to turn black. There are many reasons for digestive system problems, such as poor eating habits or incorrect living habits, which are all causes of digestive system diseases. Therefore, you should try your best to develop good living and eating habits in your daily life.

    In particular, some patients who have been suffering from constipation and diarrhea for a long time should undergo examination and treatment as soon as possible. Most patients with symptoms such as constipation and diarrhea have symptoms such as loss of appetite. These are specific manifestations of digestive system failure.

    2. Blood circulation

    Once the blood circulation is poor or blocked, it will lead to darkening of the lips. Therefore, when darkening of the lips occurs, you should also consider whether it is due to blood circulation problems. Research has found that if the patient's blood circulation has problems, it will usually induce various cardiovascular and cerebrovascular diseases, the most common of which are heart disease, anemia, etc. In severe cases, it may even induce major diseases such as stroke. Therefore, when the lips are darkened, blood pressure health should be checked as soon as possible.

    Especially in places with very cold climates, many people's lips will turn blue-purple due to poor blood circulation at the end of the body. This can also induce various major diseases in the long term. Therefore, for this group of people, in addition to taking basic measures to keep warm, they should also eat more foods that can replenish blood and qi to promote normal blood circulation.

    3. Kidney function

    Many people don’t know that if our kidneys have functional problems, it will also cause the color of our lips to change. For example, kidney deficiency, nephritis, uremia, etc. are all common kidney diseases. Clinical studies have found that the lips of these patients are mainly blue-purple and black. There are also some patients with chronic adrenal insufficiency whose lip color is mainly black. Therefore, after the lips become darkened, in addition to checking the health of the organs and tissues in the above aspects, kidney problems should also be checked in particular.

    In addition to impaired kidney function leading to darkening of lips, long-term excessive smoking, drinking, or polyps in the digestive tract, etc., can also lead to darkening of lips. Therefore, patients should detect the cause before receiving effective treatment. When faced with the question of what causes dark lips, these are the common causes.

    4.Hepatitis B

    Patients with hepatitis B will also have darkened lips, and darkened lips are also one of the symptoms of worsening hepatitis B. When the liver is severely damaged, liver function will decrease. At this time, the melanin in the human body will increase, resulting in darkened lips. Therefore, patients should pay special attention in daily life and regularly check whether the liver function is normal. Once the function is damaged, active and effective treatment should be carried out.

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