Aquaban is a licensed medicine. It comes in tablet form and is clinically proven to control pre-menstrual water retention.Aquaban contains diuretics; these encourage the body to remove excess water that it stores in the cells all around the body which may cause you to feel bloated or swollen.Aquaban is specifically for relieving water retention associated with PMS and is used in the days leading up to your period.Neither Aquaban nor Aquaban Herbal should be taken if you are pregnant or breast feeding. If you are suffering with water retention at these times visit your GP for advice.It is fine to use Aquaban if you are a vegetarian.