When is magnesium sulfate contraindicated

Jump to content. If possible before you receive magnesium sulfate, tell your doctor if you have kidney disease, heart disease, a stomach or intestinal disorder, or if you are dehydrated.

Also tell your doctor if you drink alcohol or caffeine drinks regularly, if you smoke, or if you use any street drugs. Magnesium is a naturally occurring mineral that is important for many systems in the body especially the muscles and nerves. Magnesium sulfate injection is used to treat hypomagnesemia low levels of magnesium in your blood. Magnesium sulfate injection is also used to prevent seizures in pregnant women with conditions such as pre-eclampsia, eclampsia, or toxemia of pregnancy.

Tell your doctor if you drink alcohol or caffeine drinks regularly, if you smoke, or if you use any street drugs. These factors can affect the way magnesium sulfate injection works in your body. You should not use magnesium sulfate if you are pregnant. It could harm the unborn baby. Use effective birth control, and tell your doctor if you become pregnant during treatment.

Magnesium sulfate can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

In an emergency situation it may not be possible to tell your caregivers if you are pregnant or breast feeding. The appropriate total dosage, infusion period, need for retreatment , and therapeutic window for neuroprotection are not known [14,15]. Lack of long-term benefit requires confirmation [17]. Two regimens are presented below. Use unit-established process for conveying risks and benefits of magnesium sulfate use to patient and family.

Use unit-established approach for nursing-led patient education regarding magnesium sulfate infusion, mobility restrictions, and expected effects.

Educate patient and family concerning frequency of nursing assessment and monitoring, signs and symptoms to report to nursing staff. Provide instructions for reporting signs and symptoms to nursing staff. Magnesium sulphate for women at risk of preterm birth for neuroprotection of the fetus. PMID: Magnesium sulphate and other anticonvulsants for women with pre-eclampsia. Committee Opinion No. Obstet Gynecol Jan; 1 :e Committee on Obstetric Practice.

Committee Opinion no. Obstet Gynecol Dec; 6 ACOG practice bulletin no. Obstet Gynecol Jan; 1 :ee Obstet Gynecol Mar, reaffirmed ; 3 Geneva: World Health Organization; May 29, Accessed May 2, Obstetrical accidents involving intravenous magnesium sulfate: recommendations to promote patient safety.

June 3, Preventing Magnesium Toxicity in Obstetrics. October 20, Lippincott; Appendix Every effort was made to ensure the accuracy and completeness of this resource. Category Example Process 1. Verifying and documenting indications for use Verify and document indications and absence of contraindications for use of magnesium sulfate when receiving orders for magnesium sulfate.

Seizure prophylaxis or treatment in women with preeclampsia or eclampsia. Use as a tocolytic for up to 48 hours for short-term prolongation of pregnancy for the administration of antenatal corticosteroids in women between 24 and 34 weeks gestation who are at risk of preterm delivery within 7 days. Contraindications for use: 8 Use more than 5 to 7 days.

Patients with heart block. Staff with requisite training and supplies available to respond to magnesium-related adverse events including respiratory depression. Assessment Baseline maternal and fetal assessment and periodic assessment. Assessment documentation on labor and delivery flowsheet. Verify seizure precautions: Oxygen and suction available at the bedside. Bedrails in the upright position.

Patient is NPO nothing by mouth. During loading dose: While the loading dose is being administered, the nurse should remain at the bedside to monitor the patient. Periodic nursing assessments: Every 15 minutes during first hour of infusion, every 30 minutes during second hour, and hourly thereafter. Assessments should include— Vital signs blood pressure, respirations [rate and pattern], pulse, temperature, oxygen saturation level.

DTRs and presence or absence of clonus. Fluid inputs and outputs if a patient cannot ambulate to the bathroom or use a bedpan, an indwelling urine catheter may be needed. Level of consciousness.

Breath sounds. Presence of headaches or visual disturbances blurred or double vision. Presence or absence of epigastric pain. Presence of extravasation or infiltration at intravenous IV site. Periodic urine assessment for protein if applicable. Vaginal bleeding. Tocography and FHR with antepartum or intrapartum use. Administration Administer the mainline fluids and magnesium sulfate using a calibrated infusion pump. When used for Hypomagnesaemia or Arrhythmias or Prevention of seizures in pre-eclampsia or Treatment of seizures and prevention of seizure recurrence in eclampsia or Severe acute asthma or Continuing respiratory deterioration in anaphylaxis in adults.

Not known to be harmful for short-term intravenous administration in eclampsia, but excessive doses in third trimester cause neonatal respiratory depression.

When used for Neonatal hypocalcaemia or Hypomagnesaemia or Torsade de pointes or Severe acute asthma or Continuing respiratory deterioration in anaphylaxis in children.

Sufficient amount may cross the placenta in mothers treated with high doses e. Monitor blood pressure, respiratory rate, urinary output and for signs of overdosage loss of patellar reflexes, weakness, nausea, sensation of warmth, flushing, drowsiness, double vision, and slurred speech. In severe hypomagnesaemia administer initially via controlled infusion device preferably syringe pump.

With intravenous use in adults. With intravenous use in children. For intravenous infusion , in persistent pulmonary hypertension of the newborn, dilute to a max. With intramuscular use or intravenous use.