If you make lifestyle changes, such as reducing or eliminating caffeine, you may start noticing changes in as little as a week or two. You should expect to start seeing results from medications anywhere from 2 to 4 weeks. Pelvic muscle floor exercises will take about 8 weeks to be effective. The length of time it takes to treat your condition is based on its cause and the methods recommended. Be sure to keep open communications with your doctor so that your treatment can be adjusted if necessary.