What causes vulvar itching?

　　cause Itching of the vulva There are many reasons, such as stimulation from physical and chemical factors in daily life, systemic disease , local lesions of the vulva and infection, etc. may become the causative factors, but there are also cases of vulvar itching with no known cause.

　　(1) Infectious factors: Trichomonas infection or fungal disease are the most common causes of vulvar itching. Trichomonas Vaginitis or bacterial vaginosis, or cervical erosion Leucorrhea increases significantly and inflammatory secretions irritate the vulva skin Mucous membranes, causing itching. In addition, pubic lice, pubic lice scabies and some sexually transmitted diseases Vulvar itching may also occur. Pinworm disease is more common in young girls and mainly causes itching around the anus, which can spread to the vulva and occurs at night.

　　(2) Local lesions of the vulva: Vulvar skin diseases such as Vulvar eczema , neurodermatitis, chronic vulvar dystrophy, vulvar tumors, etc. can all be the causes of vulvar pruritus.

　　(3) Bad hygiene habits: If you do not pay attention to cleaning the vulva, vaginal secretions or menstrual blood will accumulate in the vulva, which will cause itching. On the contrary, washing the vulva several times a day, or frequently using strong alkaline soap or potassium permanganate water to wash the vulva will make the vulva skin too dry and cause itching.

　　(4) Uncomfortable clothing: If you like to wear chemical fiber underwear, or use rubber or plastic menstrual belts, the vulva skin will be poorly ventilated, soaked in sweat, and itchy.

　　(5) Allergy: Allergy to systemic or local medications on the vulva, causing vulvar itching.

　　(6) Systemic diseases: Vulvar itching caused by vitamin A and B deficiency, jaundice, anemia, leukemia and other diseases is part of systemic itching. Diabetic patients' glycosuria irritates the vulva and is also a common factor causing itching. In addition, obese patients can also cause vulvar itching due to excessive secretion of sebaceous glands and sweat glands, which can irritate the vulva.

　　(7) Feces and urine irritation: A very small number of patients suffer from urethrovaginal fistula, urinary incontinence, or anal fistula, which causes feces and urine to irritate the vulva for a long time and cause itching.

　　(8) Mental factors: Some patients cannot find out the cause of vulvar itching, which may be caused by excessive mental stress.

　　(9) A few patients experience itching due to vulvar congestion before menstruation or during pregnancy, but no abnormal findings are found in clinical examination.

　　Warm reminder: If you have vulvar itching, you can use a protective pad to prevent infection and protect the perineum. Never scratch the affected area with your hands, as this may cause infection or worsen the infection!