Vaginal thrush(sometimes called candidiasis) is a common syndrome. It is caused by an overgrowth of yeast organisms which live naturally in the bowel and in small numbers in the vagina. These organisms are mostly harmless, but symptoms can develop if numbers in the vagina increase. Candida albicans is the name of the most common of these organisms. Around 3 in 4 people with a vagina will have thrush at least once in their lifetime. The hormone oestrogen helps the yeast organism to grow, so thrush rarely occurs before puberty or after menopause when there is little oestrogen in your body. Vaginal...