You explain the diuretic and irritating effects on the bladder of caffeine and the damaging effect that inadequate fluid intake can have on the bladder. You advise Mrs Scott to slowly reduce her intake of tea by gradually replacing it with caffeine free or herbal tea and to increase her intake of water to at least 6 glasses per day. However, you do suggest that she not drink too much after 6pm, in order to help alleviate nocturia.