硫酸镁在5%葡萄糖注射中,USP仅用于静脉内使用。对于普通普拉明血症或异丙磷松的管理,通常与50%硫酸镁注射液,USP的颗粒注射液相同给予镁的稀释溶液(1%至8%)的静脉注入。因此,在下面引用的临床条件下,应酌情注意两种疗法。
Continuous maternal administration of magnesium sulfate in pregnancy beyond 5-7 days can cause fetal abnormalities.
In Eclampsia
In severe pre-eclampsia or eclampsia, the total initial dose is 10 to 14 g of magnesium sulfate. To initiate therapy, 4 g of Magnesium Sulfate in 5% Dextrose Injection, USP may be administered intravenously. The rate of I.V. infusion should generally not exceed 150 mg/minute, or 7.5 mL of a 2% concentration (or its equivalent) per minute, except in severe eclampsia with seizures. Simultaneously, 4 to 5 g (32.5 to 40.6 mEq) of magnesium sulfate may be administered intramuscularly into each buttock using undiluted 50% Magnesium Sulfate Injection, USP. After the initial I.V. dose, some clinicians administer 1-2 g/hour by constant I.V. infusion.
Subsequent intramuscular doses of 4 to 5 g of magnesium sulfate may be injected into alternate buttocks every four hours, depending on the continuing presence of the patellar reflex, adequate respiratory function, and absence of signs of magnesium toxicity. Therapy should continue until paroxysms cease.
对于对癫痫发作的控制,血清镁水平为6mg / 100ml。不应超过每日每天(24小时)剂量为30-40g硫酸镁。在存在严重的肾功能不全,必须获得频繁的血清镁浓度,并且每48小时硫酸镁的最大推荐剂量为20克。
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.
Do not administer unless solution is clear. Discard unused portion.