Vulvar itching, clitoral redness and swelling may be caused by allergies, infections inflammation, trauma, systemic factors such as diabetes and vitamin deficiency. Different causes, different treatment methods, can be treated by general treatment, local treatment, systemic treatment and other methods. 1. General treatment: get rid of irritants or allergens, change underwear or sanitary napkins, wear cotton underwear, pay attention to local cleanliness and dryness of the vulva, eat a light diet and pay attention to rest. 2. Local treatment: the doctor will find out the cause of the disease and use local vulvar lotion and ointment to treat the cause of the disease, for example, red nucleus gynecological cleansing lotion, erythromycin ointment, tretinoin and econazole cream, etc. Also, you can use laser, freezing and other local physical therapy. 3. Systemic treatment: those caused by diabetes need to control blood sugar; those with vitamin deficiency need to eat more vitamin-rich fruits and vegetables to supplement vitamins. The above suggestions are for reference only, if you feel vulvar itching, clitoral redness and swelling, it is recommended to go to the hospital for examination in a timely manner, under the guidance of the doctor to carry out the relevant treatment. In addition, the use of specific drugs need to be under the guidance of a doctor.