Vulvar itching for more than a year without inflammation on examination is considered to be related to the wearing of chemical fiber underwear, allergies, vulvar tessellations, etc., and should also be alerted to the fact that it is due to the inappropriate timing of sampling.
1. Wearing chemical fiber underwear: for those who have been wearing chemical fiber underwear for a long time, vulvar itching for more than a year may occur due to the deterioration of local breathability, but there is no inflammation in the examination.
2. Allergy: If the vulva comes into contact with dust mites, animal hair or other allergic substances, it can also be manifested as vulvar itching for more than a year, but there is no inflammation in the examination. Some women will also have other symptoms such as redness, swelling and erythema on the vulva.
3. Vulvovaginal mossy lesions: the cause is not clear, may be related to the vulva moisture, heredity and other factors. Typical symptoms of patients are vulvar itching, vulvar burning sensation, etc., so it can be manifested as vulvar itching for more than a year to check without inflammation.
4. Wrong sampling time: If you suffer from vulvitis and other inflammatory diseases that cause vulvar itching, but due to self-medication and vaginal douching before the examination, you may also have vulvar itching for more than a year without inflammation.
It is recommended that the person who has been suffering from vulvar itching for more than a year without inflammation should consult a doctor again after a period of time, or take allergen test or histological examination, etc., in order to make a clear diagnosis and then follow the doctor’s instructions for treatment.