Very itchy vagina can be seen in trichomoniasis, bacterial vaginosis and other infectious diseases, but also in diabetes, cholestasis and other non-infectious diseases, and there is no immediate solution to stop the itching, you should seek medical attention in a timely manner. 1. Trichomonas vaginitis can be manifested as abnormal vaginal itching, accompanied by thin or purulent discharge, which is yellow in color, and the treatment mainly involves the use of metronidazole and tinidazole. 2. Bacterial vaginitis can be seen in the vaginal flora imbalance, increased vaginal discharge, for the fishy odor, vulvar itching and burning sensation, the treatment is mainly metronidazole, clindamycin, lactobacillus suppositories and so on. 3. Mycotic vaginitis is mostly seen in fungal infections, the treatment is mainly clotrimazole suppositories, miconazole suppositories and so on. 4. Pubic lice disease can also cause vaginal itching, the treatment is mainly to eliminate lice, need to eliminate pubic hair, apply sulfur ointment, lindane ointment and so on. 5. Diabetes mellitus can cause generalized itching of the skin, mainly caused by peripheral neuropathy, the treatment should actively control blood glucose, such as the use of insulin, acarbose, etc., but also the use of methylcobalamin and other nutritive local nerves. 6. Cholestasis can be seen in cholelithiasis, pancreatitis, etc., causing skin itching, jaundice, the treatment is mainly ursodeoxycholic acid, S-adenosylmethionine, etc., if caused by stones, but also need to surgically remove the stones. The cause of vaginal itching is complex, the treatment requires a certain length of time, and there is no fast way to stop itching, and daily life, change underwear, ensure that the pubic area is clean, avoid sex during the use of drugs. The medication should be used according to the doctor’s instructions.