What causes itchy vulva without vaginal discharge, and what should be done?

Generally, itching of the vulva without vaginal discharge may be related to poor local ventilation of the vulva, vulvitis, pubic lice infestation, vulvar eczema, or vulvar dystrophy. Patients can receive symptomatic treatment based on the specific cause. The details are as follows:

1. Poor Local Ventilation of the Vulva

Wearing tight-fitting clothing or synthetic fiber underwear, along with poor hygiene habits, may lead to inadequate ventilation in the vulvar area, resulting in vulvar itching without discharge. Usually, no special treatment is required; symptoms can improve with frequent changing and washing of underwear and improved personal hygiene.

2. Vulvitis

Vulvitis refers to inflammation of the vulva, with common symptoms including itching, redness, swelling, and pain. Under a doctor's guidance, patients may use medications such as Fufang Huangsong Wash Solution or Nifuratel tablets for treatment.

3. Pubic Lice Infestation (Pediculosis Pubis)

This parasitic disease is caused by pubic lice attaching to pubic hair and perianal body hair, leading to vulvar itching but without abnormal vaginal discharge. Treatment generally includes shaving off pubic hair and using medications such as ivermectin or sulfur ointment under medical supervision.

4. Vulvar Eczema

A hypersensitivity skin disorder of the vulva caused by various factors, characterized by vulvar itching without discharge. Under a doctor’s guidance, treatments may include calamine lotion, hydrocortisone ointment, or triamcinolone acetonide ointment.

5. Vulvar Dystrophy

The health and nutritional status of the vulvar skin are closely related to its defense function and immunity. Poor nutrition in the vulvar area may lead to dry, fragile skin that is easily irritated. In such cases, the vulva may feel itchy and uncomfortable. However, vulvar dystrophy itself typically does not cause vaginal discharge. Under medical guidance, patients may use topical medications such as tacrolimus ointment or compound clobetasone propionate ointment.

If vulvar itching occurs, it is recommended to avoid scratching or irritating the area and to seek timely medical evaluation to determine the underlying cause and receive appropriate treatment.