Health For Everone Q&A Women’s Health Menstrual Health

What are the causes of dark menstrual blood and their treatment methods?

Asked by:Bouck

Asked on:Apr 12, 2026 08:17 AM

Answers:1 Views:428
  • Coraline Coraline

    Apr 12, 2026

      Menstrual color refers to the color of menstrual blood. Normal menstrual blood is dark red, with flakes mixed in the blood. Uterus Small fragments of endometrium, cervical mucus, vaginal epithelial cells, and no blood clots. If menstrual blood is as thin as water, only a little pink or black and purple, it is abnormal. Maybe the body appears healthy Hidden dangers need to be rectified in time.

      What’s the matter with dark menstrual blood?

      1. Deficiency of Qi and blood

      female Deficiency of both qi and blood is also the cause of dark menstruation. When there is a deficiency of qi and blood, menstruation is usually affected, which can lead to Menstrual disorders , including increased or decreased menstrual volume, early or delayed menstrual cycle, prolonged menstrual period, lighter color, thinner texture, etc. Irregular menstruation Symptoms, accompanied by insufficient Qi and blood, can also cause physical abnormalities such as dizziness, pale complexion, chlorosis, lower abdominal pain, fatigue, weak pulse and other symptoms.

      Recommended recipe: black bean and jujube soup

      Ingredients: 100g black beans, 50g jujube, 20g brown sugar.

      Instructions: Add appropriate amount of water to black beans and jujubes, cook into porridge, add brown sugar and take it for 1 dose. Start taking it 3 days before each menstrual period, 1 dose per day, and 10 doses in a row constitute a course of treatment.

      Efficacy: Replenishing qi and nourishing blood, regulating menstruation and relieving pain, treating weakness of qi and blood Dysmenorrhea

      2、Kidney deficiency

      Kidney weakness and menstruation will cause some of our female friends to have black menstruation, and the menstrual cycle is often irregular. Sometimes it comes early, sometimes it comes late, the menstrual flow is light, the color is light red or dark red, and the menstrual quality is thick. After kidney deficiency, it will cause soreness and weakness in the waist and knees, pain in the heels, and it will also be accompanied by dizziness and tinnitus, and more urine at night. The color of the tongue is light, and the pulse is sometimes weak and sometimes late. In normal times, you can regulate your menstruation by tonifying the kidneys.

      Recommended recipe: Ejiao, red dates and black-bone chicken soup

      Ingredients: black-bone chicken, donkey-hide gelatin, polygonatum, gordon fruit, longan, red dates, wolfberry, mulberry, ginger Feishui.

      Method: Remove the internal organs, head and tail of the black-bone chicken and wash it; Wash all medicinal materials and soak them in a small amount of water for a while ; Put the black-bone chicken into the soup pot and add ginger and flying water ; After simmering for 30 minutes over an open fire, skim off the foam, add the medicinal ingredients, and simmer gently for 3 hours. Add salt before serving.

      Explanation: Ingredients such as black-bone chicken, donkey-hide gelatin, wolfberry, Gorgon fruit, Polygonatum japonica, and mulberries can nourish yin and nourish the kidneys. Ingredients such as black-bone chicken, donkey-hide gelatin, red dates, longan, etc. can also nourish blood and liver.

      Efficacy: It has the functions of nourishing the liver, replenishing qi and blood, nourishing yin and nourishing the kidneys, and improving the eyesight. For women with physical weakness, blood loss, insufficient liver and kidney, and unhealthy spleen and stomach, they should drink more.

      3. Dysmenorrhea

      The main symptom of dysmenorrhea is poor circulation of Qi and blood, which leads to black menstruation, and the menstruation is very unstable. Sometimes it comes early, sometimes late, and the time of occurrence is very irregular. The amount of menstruation is also unstable, sometimes more, sometimes less, and the color is purple-red, with blood clots appearing. Women are also accompanied by pain in the lower abdomen, breasts, chest and ribs and other parts of the body. distended pain When looking at the tongue, the color of the tongue coating is dark red and there are petechiae, or the tongue coating is too white or light yellow. In terms of treatment, it is often used to smoothen the blood and regulate the breath, so as to reduce blood clots and pain.

      Recommended recipe: Amomum villosum and pork belly soup

      Ingredients: 10 grams of Amomum villosum, 9 grams of Pangasius, 100 grams of pork belly.

      Method: Wash the pork belly with boiling water, scrape off the inner membrane to remove the smell, put it into the pot with Amomum villosum and Panax notoginseng, add an appropriate amount of water, bring to a boil and simmer for about 2 hours.

      Efficacy: It promotes qi and wakes up the stomach, removes blood stasis and relieves pain, and effectively treats dysmenorrhea caused by qi stagnation and blood stasis.

      4. Body cold

      The most common one is uterine cold in traditional Chinese medicine, and its main clinical manifestations are; Low menstrual flow, accompanied by stomach ache , blood clots, etc. Some patients will have symptoms such as cold limbs and sweating. Secondly, overheating of the body will also have this clinical manifestation. The patient's symptoms include sparse menstrual flow, darker color, dark red or coffee color, etc., and are rarely accompanied by clinical symptoms such as abdominal pain. In addition, a thin endometrium can also cause symptoms such as less menstrual flow. Taking certain drugs at the same time, changes in the external environment and living habits, etc. can also lead to a transient decrease in menstrual flow or changes in color.

      5. Gynecological inflammation

      Darker menstruation may be related to inflammation. In fact, the menstrual blood that comes every month is the blood flowing in the blood vessels in the body, and it should be bright red. However, because the menstrual blood is mixed with shed endometrial fragments, cervical mucus and vaginal epithelial cells, it looks dark in color, not as bright as the blood from broken skin, and there are also some small thin fragments mixed in the menstrual blood. In particular, some people have less menstrual blood, and the color becomes darker as it stays in the uterus and vagina for a longer period of time.

      How to treat dark menstrual blood

      1. If you have dark menstrual blood, you can choose dietary therapy. Vitamin B6 can help relieve anxiety and depression. It is not advisable to eat raw, cold, sour, spicy and other irritating foods. Drink more boiled water to keep the stool smooth. People with blood heat should eat more fresh fruits and vegetables before menstruation and avoid onions, garlic, leeks and other things that stimulate fire transport. People with Qi and blood deficiency must usually increase their nutrition, such as milk, eggs, soy milk, liver, spinach, pork, chicken, mutton, etc. They should not eat raw or cold fruits.

      2. Maintain a happy spirit, avoid mental stimulation and mood swings, and maintain a good mood, which is very beneficial to the recovery of abnormal menstruation. During the menstrual period, some individuals may experience lower abdominal distension, backache, breast tenderness, mild diarrhea, easy fatigue, lethargy, emotional instability, irritability or depression, etc. This is normal and there is no need to be overly nervous.

      3. Pay attention to hygiene and prevent infection. Pay attention to the hygiene and cleanliness of the external genitalia. Sexual intercourse should be suspended during menstruation to avoid infection. Keep warm and avoid cold stimulation. Avoid burnout. People with heavy menstrual bleeding should avoid eating brown sugar.

      4. The selection of underwear materials is very important. When women choose underwear, they should choose soft, cotton underwear, which can increase ventilation.

      5. Carry out appropriate physical exercise at ordinary times. Proper physical exercise can improve human body functions and promote blood circulation, which is beneficial to the recovery of dark menstrual blood. (Reference website: National Health Network)