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

在非常严重情况下，可能需要静脉注射糖皮质激素、和氧疗。

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

现在，这并不意味着不是种有物。

The most common salts in Spotted Lake are magnesium sulfate, sodium sulfate, and sodium carbonate.

斑点湖中最常见盐是、钠和碳钠。

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，些产科常物如麻醉（特别是氟烷）、、硝苯地平和特布他林等也会影响产后子宫正常收缩，增加宫缩乏力风险。