Vaginal dryness: why it happens and what helps

Vaginal dryness means the vagina and vulva produce less natural moisture than usual, which can make sex, exercise or even sitting uncomfortable. It is most often caused by lower estrogen levels, but medication, breastfeeding, stress and skin conditions can all contribute. In most cases it responds well to lubricants, vaginal moisturizers or treatment from a doctor.

What vaginal dryness feels like

Dryness is not always obvious as "dry". Many people describe it in other ways:

• soreness, burning or a dragging sensation during penetration
• itching or irritation around the vulva
• small tears or light bleeding after sex
• needing to pass urine more often, or recurring urinary infections
• a general feeling of tightness or rawness that is worse with tight clothing or cycling

Because these symptoms overlap with thrush, bacterial vaginosis and vulvar skin conditions, it is worth having a clinician look if the picture is unclear or new.

Why it happens

The tissue lining the vagina relies on estrogen to stay thick, elastic and well supplied with blood. Estrogen also supports the glands and the healthy bacteria that keep the vagina slightly acidic and moist. When estrogen drops, the lining becomes thinner and drier.

Hormonal causes

• Perimenopause and menopause. This is the most common cause. Over time it can progress to vaginal atrophy, also called genitourinary syndrome of menopause.
• After childbirth and while breastfeeding. Estrogen stays low while breastfeeding, which is why dryness is a frequent reason for discomfort described in sex after childbirth.
• Removal of the ovaries, chemotherapy, radiotherapy to the pelvis and hormone-blocking cancer treatments.
• Some hormonal contraceptives.

Other causes

• medicines such as antihistamines, some antidepressants and some acne treatments
• autoimmune conditions such as Sjogren's syndrome
• douching, perfumed soaps, bubble bath and scented wipes, which disturb the natural balance
• not enough arousal before penetration, which is often linked to stress, tiredness, pain anticipation or relationship strain
• vulvar skin conditions such as lichen sclerosus

How dryness and pain feed each other

When penetration hurts, the body learns to expect it. The pelvic floor muscles tighten in anticipation, arousal drops, natural lubrication drops with it, and the next attempt hurts more. This loop is one reason dryness that started for a hormonal reason can turn into ongoing dyspareunia or a tense, overactive pelvic floor. Treating the dryness early, and slowing down during sex, makes it easier to break the pattern.

What helps

Lubricants for sex

A lubricant reduces friction at the moment of sex or touch. It does not change the tissue itself, but it can make a large difference to comfort. The main types are water-based, silicone-based, oil-based and hybrid. A water-based lube is the most versatile and is safe with condoms and silicone toys. People with sensitive tissue often do better with a product that has a low osmolality and a pH close to that of the vagina, and without fragrance, warming agents or flavors. The guide on how to choose a lube compares the options in detail.

Vaginal moisturizers for everyday comfort

A vaginal moisturizer is used regularly, often every two or three days, regardless of sex. It is designed to cling to the vaginal lining and hold water there. Many contain hyaluronic acid or polycarbophil. Research reviews describe moisturizers as a reasonable first option for mild to moderate symptoms, particularly for women who cannot or prefer not to use hormones. More on this is in the guide to hyaluronic acid lube and moisturizers.

Prescription treatment

When dryness is caused by low estrogen and does not settle with lubricants and moisturizers, a doctor may suggest vaginal estrogen in the form of a cream, tablet, pessary or ring. These deliver a low dose directly to the tissue and work on the underlying thinning rather than only the symptoms. Other prescription options exist for those who cannot use estrogen. The right choice depends on medical history, so this is a conversation for a GP or gynecologist.

Small daily changes

• wash the vulva with plain water or an unperfumed emollient instead of soap
• avoid douching, scented pads and fragranced wipes
• choose cotton underwear and avoid very tight clothing if the vulva feels sore
• allow more time for arousal and foreplay before any penetration
• keep up regular sexual activity or self-touch if it is comfortable, since blood flow supports tissue health

Dryness at different life stages

After childbirth

Dryness in the months after birth is very common and is usually temporary. Estrogen stays low while breastfeeding, so the tissue can feel thin and sensitive even once stitches or tears have healed. A gentle lubricant and patience usually help, and the dryness tends to ease once breastfeeding reduces or stops.

Around menopause

Dryness linked to menopause usually develops slowly and is often accompanied by urinary symptoms. Because it does not tend to improve by itself, early use of a moisturizer and a conversation with a doctor about local treatment can prevent it from progressing.

When to see a doctor

Over-the-counter products are a good starting point, but medical advice is sensible when:

• symptoms do not improve after a few weeks
• sex remains painful despite lubrication
• there is bleeding after sex or any bleeding after menopause
• there is itching, unusual discharge, white patches, cracks or changes in how the vulva looks
• urinary symptoms keep returning

A GP or gynecologist can examine the tissue, check for infection or skin conditions, and talk through hormonal and non-hormonal options. If the dryness has led to muscle guarding or fear of penetration, a pelvic floor physical therapist can help retrain the response alongside medical treatment.