Comparative Pharmacology
Head-to-head clinical analysis: DEXTROSE 5 AND SODIUM CHLORIDE 0 45 versus MAGNESIUM SULFATE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DEXTROSE 5 AND SODIUM CHLORIDE 0 45 versus MAGNESIUM SULFATE.
DEXTROSE 5% AND SODIUM CHLORIDE 0.45% vs MAGNESIUM SULFATE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Dextrose 5% provides a source of calories and hydration; sodium chloride 0.45% provides electrolytes and maintains osmotic balance. Dextrose is metabolized to carbon dioxide and water, yielding energy. Sodium chloride dissociates to maintain extracellular fluid volume and osmolality.
Magnesium sulfate acts as a physiological calcium channel blocker. It inhibits calcium influx into presynaptic nerve terminals, reducing acetylcholine release at the neuromuscular junction and decreasing muscle contraction. It also antagonizes NMDA receptors and stabilizes neuronal membranes.
Intravenous administration; typical adult dose is 1000-2000 mL over 24 hours, rate adjusted based on patient's fluid and electrolyte status. Maximum infusion rate is 1000 mL per hour.
IV: Loading dose 4-6 g over 20-30 minutes, followed by maintenance infusion 1-2 g/hour for seizure prophylaxis in severe preeclampsia/eclampsia. IM: 4-8 g deep IM initially, then 4 g every 4 hours as needed.
None Documented
None Documented
Clinical Note
moderateMagnesium sulfate + Gatifloxacin
"The serum concentration of Gatifloxacin can be decreased when it is combined with Magnesium sulfate."
Clinical Note
moderateMagnesium sulfate + Rosoxacin
"The serum concentration of Rosoxacin can be decreased when it is combined with Magnesium sulfate."
Clinical Note
moderateMagnesium sulfate + Levofloxacin
"The serum concentration of Levofloxacin can be decreased when it is combined with Magnesium sulfate."
Clinical Note
moderateDextrose: not applicable as it is rapidly metabolized; the half-life of infused glucose is approximately 1.5-2 hours in healthy individuals, but prolonged in conditions like diabetes. Sodium: biological half-life is 10-20 hours, depending on fluid balance and renal function.
Terminal elimination half-life approximately 4-6 hours in patients with normal renal function; prolonged to 12-24 hours or more in renal impairment, necessitating dose adjustment
Dextrose is metabolized to carbon dioxide and water, with negligible renal excretion of intact dextrose under normal conditions. Sodium and chloride are primarily excreted renally; sodium excretion is regulated by glomerular filtration and tubular reabsorption, while chloride follows sodium. In patients with normal renal function, >90% of infused sodium and chloride are excreted in urine within 24-48 hours.
Primarily renal (90-95% as unchanged drug); minor biliary/fecal (<5%)
Category A/B
Category C
Electrolyte
Electrolyte
Magnesium sulfate + Trovafloxacin
"The serum concentration of Trovafloxacin can be decreased when it is combined with Magnesium sulfate."