In very severe cases, intravenous corticosteroids, magnesium sulfate, and oxygen therapy might be needed.

在非常严重的情况下，可能需要静脉注射糖皮质激素、硫酸镁和氧疗。

Now, that doesn’t mean magnesium sulfate isn’t a useful drug.

现在，这并不意味着硫酸镁不是一种有用的药物。

Epsom salt is a form of magnesium sulfate, a compound made of magnesium, sulfur, and oxygen.

泻盐是硫酸镁的一种形式，硫酸镁是一种由镁、硫和氧组成的化合物。

In the 1600s, it became a popular spa town because some of its natural springs were full of magnesium sulfate.

在 1600 年代，它成为一个受欢迎的温泉小镇， 因为它的一些天然泉水富含硫酸镁。

Finally, some commonly used obstetric medications such as anesthetics (especially halothane), magnesium sulfate, nifedipine, and terbutaline can all interfere with uterine contractions and increase the risk of uterine atony.

此外，一些产科常用药物如麻醉药（特别是氟烷）、硫酸镁、硝苯地平和特布他林等也会影响产后子宫的正常收缩，增加宫缩乏力的风险。