In vestibulitis, the small, superficial nerves found in the mucous membrane of the ventricle have become hypersensitive. It hurts in and around the opening to the sheath when you have slit or insert something into the sheath.
Here you can read about itching and pain in the abdomen.
Mushrooms in the genital area are harmless but can be cumbersome as it usually itch and sting. It is common to get mushrooms in the vagina. Mushroom on the penis, on the other hand, is unusual. It is often possible to treat the fungus with non-prescription drugs.
Lichen sclerosus et atrophicus is a disease that causes itching and skin changes, usually in the genital area. The disease does not infect. For most people, the hassles are alleviated and many become perfectly well after treatment.
It is common for it to scratch around the slide opening and on the labia. The most common causes are the fungus in the abdomen or some form of eczema. Often you can treat the itching with non-prescription drugs. The itching can sometimes be due to a STD. Then you need treatment.
Endometriosis means that the uterine mucosa grows outside the uterus. Roughly one in ten people who have menses have the disease. A common symptom is having a lot of pain associated with menstruation. The most common thing is that you need treatment to relieve the pain or disappear.
Bartolinite is an infection of the pubic lip. It is not dangerous, but can hurt and you need treatment for the infection to pass.