Pruritus vulvae is generally relieved through scratching in the initial stages. At a later stage, the patient develops a burning sensation in this region. This can intensify to such an extent that women suffering from this complaint prefer to remain indoors and refuse to go out. This problem occurs more during the night. The patient may scratch the area during sleep and wake to find that she has made herself bleed.
Prorates without vaginal discharge occurs in 15% - 20% of the cases. In some cases prorates vulvae may develop due to the presence of skin diseases not specific to the vulva such as psoriasis, seborheic dermatitis and scabies. Other causes include animal and vegetable parasite infections which tend to cause pruritus public rather than prutitus vulvae, conditions of the urinary track like continence of urine and pyuria. Highly acidic urine sometime causes soreness which subsequently leads to pruritus. Glycosuria and diabetes also contribute to this condition.
Pruritus vulvae can result from skin sensitivity to various kinds of soaps, bath salts, deodorants and antiseptics which contain particular phenols and cresols and from certain drugs. These allergies may also be caused by nylons and tight-fitting clothes. In rare cases the disorders may develop as an of shoot of certain major problems like jaundice, uraemia, and other toxic conditions.
Many mental disturbances can affect the sexual bias and psychoneurosis results. The skin of the vulva region can also be a site of psychoneurosis, nervous fatigue and rough clothing Sexual frustration and guilt feelings can also lead to pruritus vulvae.