Vaginal dryness, be it associated with sexual activity or not, is a common problem and can make life miserable for many women.
What are the causes of vaginal dryness?
By far the commonest cause of vaginal dryness, be it associated with sexual activity or not, is a fall in Oestrogen levels and the commonest cause for a fall in Oestrogen levels is menopause. Often the very first symptom of "The Change" is vaginal dryness.
Other things that might cause a fall in Oestrogen are:
Childbirth and breast feeding
Radiation and chemo cancer treatments