Senna is used in herbal weight-loss products, but it is not advisable to use such products to lose pregnancy weight. Long-term use of these products may increase the risk of [simple_tooltip text=electrolyte imbalance tooltip=An imbalance in the levels of sodium, potassium, chloride, and bicarbonate in the blood. ] and bowel disturbances, which may be problematic in the postpartum period and while breastfeeding (5) (6).