It’s a common disease, and it seems I can’t justify it without doing a little bit of science. First of all, the standard medical diagnosis has been revised to “Vulvovaginal Candidiasis”, or VVC for short, which used to be called Candida vaginitis, but since mycosis vaginalis is the most commonly used, I still use the previous name. I still use the previous name in the title. It is common because about 75% of women have at least one episode in their lifetime, while 40-50% have more than 2 episodes, and a small percentage of 5-8% may have more than 4 episodes a year, and the last part can again be diagnosed as recurrent vulvovaginal pseudomonal yeast disease, or RVVC for short, or some patients are more symptomatic, and the latter two together are called complicated VVC. The main manifestations of VVC are increased vaginal discharge, vaginal itching, and also frequent, painful urination and painful intercourse, with typical leukorrhea manifesting as tofu-like leukorrhea. The vulva and vagina may appear red and edematous. The diagnosis of this disease is usually not difficult, a leucorrhoea test at the hospital can usually clarify the diagnosis, sometimes the leucorrhoea cannot detect Candida at once, a culture can also help the diagnosis. Under normal circumstances, there is lactobacillus in the human vagina to maintain the weak acidic environment in the vagina, pseudomonal yeast is a common parasitic bacteria in women’s vagina; when the body’s resistance decreases, especially the local resistance, or when the virulence of pseudomonal yeast increases, the body’s resistance is weaker than the invasion, which eventually leads to the proliferation of pseudomonal yeast, and through the destruction of the body’s vaginal epithelial cells, the formation of VVC. VVC. pseudomonal yeast is not a bacterium, it is a type of fungus. VVC alone is not difficult to treat, and can be treated with vaginal antifungal suppositories (the specific duration of use depends on the drug used), without the need for oral antifungal drugs. Treatment of VVC alone can be done with one of the following treatment options: Some of the above drugs are over-the-counter and can be bought in pharmacies, but in the first occurrence, it is recommended to go to a hospital for a diagnosis rather than to use drugs indiscriminately by yourself. Common antibacterial drugs are ineffective against fungi and may aggravate the fungal infection. There are other non-fungal causes of vaginal leukorrhea that lead to diagnostic itching. In the past, VVC treatment strategies also included vaginal douching, but this measure is no longer recommended, as evidence from evidence-based medicine has shown that vaginal douching increases the incidence of pelvic inflammatory disease and ectopic pregnancy. Avoid sexual intercourse during treatment. It is only necessary to review the leukorrhea one week after treatment or at the next menstrual period. About 84% of women experience recurrence after their first VVC and the reasons for recurrence are varied. Pregnancy, oral contraceptive use, antimicrobial use, diabetes, vaginal douching, immunosuppressants, HIV infection, all of these factors contribute to VVC recurrence, and some will have a somatic susceptibility, related to genetics. Knowing these triggers can make it interesting to avoid them, such as avoiding the use of “anti-inflammatory drugs” and avoiding vaginal douching (in fact, vaginal douching is not recommended at any time, so I will write more about this later). The treatment of recurrent VVC starts with an investigation of the presence of the above mentioned causes of VVC. Treatment strategies include intensive and consolidation therapy. After the review knows that no fungus is present, the next step requires consolidation therapy. There are no proven protocols in this country or abroad. For those who have regular attacks once a month, preventive medication can be administered once before each attack for 6 months. For those who have irregular episodes, medication can be given once a week for 6 months. Sexual partners also do not need to be treated. About 15% of men have glansitis after contact with female patients, and symptomatic men should be examined and treated for pseudofilamentous yeast to prevent repeat infection in women. VVC attacks during pregnancy are also a common problem. Medications can be used during pregnancy, but oral medications cannot be used during pregnancy. Of the vaginal suppositories, clotrimazole is a class B drug and is safe to use, miconazole and fluconazole are class C drugs and are not considered first.