Why does the vulva become red, swollen and painful after menstruation?

Women's menstruation comes every month, and the duration of the period can be long or short. Women with longer menstrual periods are more likely to experience symptoms of vulvar itching. If the vaginal opening becomes red and swollen during menstruation, it may be caused by an allergy to the sanitary napkin or the penetration of secretions. Learn more about why the vulvar opening becomes red, swollen and painful after menstruation.

1. Vulvar dryness: Excessive use of potassium permanganate solution for sitz baths and vulvar dryness in postmenopausal women can also cause vulvar itching, which is the main cause of vulvar itching.

2. Various diseases of the vulva: such as vulvar eczema, vulvar hypopigmentation or leukoplakia, vulvar ringworm, vulvar neurodermatitis, vulvar condyloma, etc. can cause vulvar itching.

3. Irritation of secretions: Inflammation of the reproductive tract caused by fungi, gonococci, Trichomonas, and bacteria, which produces abnormal leucorrhea, as well as stimulation from urine (thin urine, urinary incontinence) and feces (thin feces) can cause vulvar itching.

4. Chemicals and drugs stimulate local itching: such as alkaline soaps, condoms, sanitary napkins, synthetic underwear, etc., which directly contact the local area and stimulate itching.

5. Systemic diseases. Systemic diseases mainly include diabetes, anemia, leukemia, polycythemia, skin diseases, hepatobiliary diseases (such as jaundice), kidney diseases, lymphoma, etc. In addition to general itching, vulvar itching is often accompanied. According to statistics, 3.4% of 500 diabetic patients had localized itching, mainly vulvar itching.

6. Drug rash: "Fixed drug rash" caused by women with allergic constitution taking sulfonamides or other drugs often occurs at the junction of the skin and mucous membrane of the vulva, causing local itching. Vulvar pruritus may also occur if allergic reactions or contact dermatitis occur after using drugs for vaginal douching or vaginal implants

7. Skin diseases of the vulva: The skin lesions of tinea cruris often extend to the vulva, causing severe local itching. The local itching caused by vulvar eczema neurodermatitis is more severe, and vulvar leukoplakia also often causes local itching.

8. Mental factors: When you are worried, depressed, nervous, or irritable, you will often feel itchy vulva, which becomes more itchy the more you scratch it.

9. Dietary factors: Lack of iron, riboflavin, vitamin A, vitamin E, fat, etc. in food causes dryness, flaking and itching of the vulvar skin.

10. Malnutrition of the vulva, varicose veins of the vulva, and itching and swelling of the vulva.

11. Rectovaginal fistula, anal fistula, and stool contamination.

12. Inflammatory stimulation, such as trichomoniasis, candidal vaginitis, and chronic cervicitis, which causes itching and swelling of the vulva due to the stimulation of inflammatory secretions.

13. Symptoms of vulvar itching and swelling caused by systemic diseases, such as diabetes mellitus, vitamin deficiency, icteric hepatitis, patient reactions such as drug allergy, urticaria, and topical use of contraceptive tools may cause vulvar itching.

14. Inflammatory stimulation, such as trichomoniasis vaginitis (trichomoniasis vaginitis), candidal vaginitis (candidal vaginitis), and vulvar itching and swelling caused by inflammatory secretions during chronic cervicitis

15. Urinary fistula, urinary incontinence, urinary tract infection secretions, urine irritation.