What could be causing both my vulva and anus to itch?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Itching in both the vulva and anus—known as anogenital pruritus—is a common but often distressing symptom, especially in older adults. The most frequent causes include:

Vulvar lichen sclerosus, a chronic inflammatory skin condition that causes thin, white, itchy patches.
Anogenital pruritus of neuropathic origin, linked to nerve irritation or lumbosacral spine issues.
Other skin conditions such as eczema, contact dermatitis, psoriasis, or fungal infections.
Hormonal changes (like postmenopausal estrogen decline) and hygiene-related irritation.

Because these causes overlap and can look similar, self-diagnosis is difficult—and the right treatment depends entirely on the underlying issue. Rather than guessing, take a free, instant, online symptom check to better understand what may be driving your symptoms and get clear guidance on your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Itching in the vulva and anus can be uncomfortable and may have several causes. One possible cause is vulvar lichen sclerosus, a skin condition that affects the vulva and can lead to itching and discomfort. This condition often requires medical attention to manage its symptoms.

Another potential cause is anogenital pruritus, which can sometimes be related to nerve issues in the lower back area. This means that problems with nerves in the back can cause itching in the genital and anal regions.

In older adults, itching in these areas can also be due to various skin conditions, as the skin becomes more sensitive with age. If you're experiencing these symptoms, you can start by taking a free symptom checker assessment to better understand potential causes before consulting a healthcare provider for an accurate diagnosis and appropriate treatment.

(References)

Nair PA. (2017). Vulvar Lichen Sclerosus et Atrophicus. Journal of mid-life health, 28706405.
Cohen AD, Vander T, Medvendovsky E, Biton A, Naimer S, Shalev R, & Vardy DA. (2005). anogenital pruritus is a symptom of lumbosacral .... Journal of the American Academy of Dermatology, 15627082.
Kaur J, & Kalsy J. (2017). Study of pruritus vulvae in geriatric age group in tertiary .... Indian journal of sexually transmitted diseases and AIDS, 28442799.

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