Sometimes this problem may be the result of weak muscles due to post surgery period. To overcome from this situation some light exercise of pelvic is necessary. It will help us to regain the flexibility of the muscles which in turn will reduce the problem of overactive bladder.
Drinking adequate quantity of water is also very helpful in reducing the problem of overactive bladder. With the adequate amount of water our internal organs will remain hydrated and it will keep control over the bladder muscles thus reducing the problem of overactive bladder.
Roots of Marshmallow are very good herbal medicine for the treatment of overactive bladder. Soak its root in water for overnight and drink that water in the morning.