Logo

OpiCalc

FavoritesSpecialtiesDrugsGuidelinesMost Used

Quick Access

Favorites
Most Used

All Specialties

OpiCalc Logo
Clinical CalculatorsDrugsGuidelines
SpecsDrugsGuides
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
OpiCalc Logo

OpiCalc

Easy, fast, and private medical tools for clinicians. Always free.

No Login Required
Ready for the Bedside

Resources

About UsEditorial PolicyMedical DisclaimerPrivacy PolicyTerms of UseCookie Policy

Support

Contact Us

Clinical Notice:OpiCalc is not a substitute for professional clinical judgment. Always verify dosages and guidelines.

OpiCalc © 2018-2026

•

All Rights Reserved

Registry Hub
Intravenous Electrolyte Solution/Prescription

PLASMA-LYTE A IN PLASTIC CONTAINER

PLASMA-LYTE A IN PLASTIC CONTAINER

Clinical safety rating

caution

Comprehensive clinical and safety monograph for PLASMA-LYTE A IN PLASTIC CONTAINER (PLASMA-LYTE A IN PLASTIC CONTAINER).


Mechanism of Action

Maintenance and restoration of fluid and electrolyte balance; provides isotonic crystalloid solution with sodium, potassium, magnesium, chloride, and acetate/bicarbonate precursors to buffer acidity.

What the body does with it

MetabolismAcetate and gluconate are metabolized to bicarbonate primarily in the liver and kidneys; electrolytes are excreted unchanged via kidneys.
ExcretionElectrolytes and water are primarily excreted renally: sodium (90-95% filtered, reabsorbed), chloride (follows sodium), potassium (80-90% renal, 10% fecal), magnesium (30-50% reabsorbed, remainder excreted), acetate (metabolized to bicarbonate, ultimately renal). Fluid volume is regulated by renal mechanisms (ADH, aldosterone). Essentially 100% of administered volume and electrolytes are eliminated via kidneys under normal physiology.
Half-lifeNot applicable as a single half-life; electrolytes have distribution and elimination phases governed by body stores and renal function. For water, elimination half-life is ~2-4 hours in euvolemic individuals with normal GFR. Clinically, infused volume distributes within ~30 minutes and is renally cleared over several hours.
Protein bindingNone significant; electrolytes are free in plasma (sodium, chloride, potassium, magnesium are not protein-bound). Acetate is rapidly metabolized.
Volume of DistributionElectrolytes: 0.2 L/kg for sodium and chloride (extracellular fluid); water: total body water ~0.6 L/kg. Clinical meaning: Vd of electrolytes approximates ECF volume; water distributes throughout total body water.
BioavailabilityNot applicable for IV route; bioavailability is 100% by definition.
Onset of ActionIV: Immediate (within seconds to minutes) for volume expansion and electrolyte effect, as infusion directly enters bloodstream.
Duration of ActionVolume effect lasts 1-2 hours in euvolemic patients; electrolyte effects persist until renal excretion. In hypovolemia, duration may be shorter due to rapid distribution.
Molecular WeightNot applicable (mixture of electrolytes and water; individual components have low molecular weight, e.g., sodium 23 Da, chloride 35.5 Da, but as a solution, no single molecular weight applies)

Classification & Brands

Dosing & administration

Intravenous infusion; adult dose is based on electrolyte and fluid requirements, typically 500-1000 mL/hour initially, then adjusted; maximum rate 30 mL/kg/hour.

Dosage formINJECTABLE
Renal impairmentNo specific GFR-based dose adjustment; contraindicated in severe renal impairment with oliguria or anuria.
Liver impairmentNo specific Child-Pugh based adjustment; use with caution in severe hepatic impairment due to risk of electrolyte imbalances.
Pediatric useIntravenous infusion; dose based on weight: 5-20 mL/kg/hour initially, adjusted according to clinical response and laboratory values; maximum 50 mL/kg/day.
Geriatric useUse with caution due to increased risk of fluid overload and electrolyte disturbances; monitor renal function and adjust rate accordingly.

Use during pregnancy

1st trimesterPlasma-Lyte A is an isotonic crystalloid solution containing electrolytes in concentrations approximating human plasma. In the first trimester, it is generally considered safe when used as a volume expander or maintenance fluid, as it does not contain known teratogens. However, caution is advised due to potential volume overload and electrolyte imbalances, especially in patients with preeclampsia or cardiac disease. No specific fetal risks have been reported.
2nd trimesterSimilar to T1, use is considered safe for fluid and electrolyte replacement. Monitor maternal fluid status to avoid edema or pulmonary congestion. No evidence of adverse fetal effects.
3rd trimesterUse during third trimester is generally safe for maternal volume expansion, but close monitoring is recommended, particularly in cases of hypertension or renal impairment. May affect amniotic fluid volume if maternal hemodynamics are altered.

Clinical note

Comprehensive clinical and safety monograph for PLASMA-LYTE A IN PLASTIC CONTAINER (PLASMA-LYTE A IN PLASTIC CONTAINER).

Placental transferPlasma-Lyte A components (water, electrolytes) are normal physiological constituents and cross the placenta freely as part of normal fluid and electrolyte exchange. The solution does not contain drugs or special additives that would alter placental transfer kinetics. In clinical use, fetal exposure is expected from maternal infusion but is considered safe at therapeutic doses.
BreastfeedingPlasma-Lyte A is a crystalloid solution that does not contain drugs or substances that are significantly transferred into breast milk. It is considered compatible with breastfeeding. Electrolytes are normal constituents of breast milk, and infusion of this solution should not pose a risk to the nursing infant. However, consider maternal condition and need for fluid therapy.
Lactation RatingSafe
Teratogenic RiskNo known teratogenic effects in any trimester.
Fetal MonitoringMonitor serum electrolytes, fluid balance, and renal function.
Fertility EffectsNo known impact on fertility.

Warnings & precautions

■ FDA Black Box Warning

None

Side Effect Profile

Serious Effects

Absolute Contraindications

Hypersensitivity to any componentSevere hypernatremiaSevere hyperchloremiaSevere metabolic alkalosisPatients with clinically significant fluid overload (e.g., congestive heart failure, pulmonary edema)

Clinical Precautions

PrecautionsUse with caution in patients with congestive heart failure, severe renal impairment, or conditions predisposing to fluid overload, Monitor serum electrolytes and acid-base balance regularly, Contains aluminum, which may be toxic with prolonged use in renal impairment, Risk of hyperkalemia in patients with renal failure or potassium-retaining medications
Food/DietaryNo specific food interactions. Maintaining hydration and electrolyte balance with dietary intake may be considered, but no restrictions are required.

Clinical Tips & Counseling

Clinical PearlsPLASMA-LYTE A is a balanced electrolyte solution indicated for fluid resuscitation; monitor serum electrolytes, especially in renal impairment. It contains acetate and gluconate as bicarbonate precursors; use cautiously in patients with lactic acidosis. Do not administer simultaneously with blood products through same IV line due to risk of clotting. Verify container integrity and that no leaks are present before use.
Patient AdviceThis solution is given through a vein to restore body fluids and electrolytes. · Tell your healthcare provider if you have any allergies or medical conditions like kidney disease. · Inform your provider if you are pregnant or breastfeeding. · Report any signs of allergic reaction: rash, itching, swelling, severe dizziness, trouble breathing. · During infusion, notify your nurse if you experience pain, redness, or swelling at the IV site. · Do not stop the infusion or adjust the rate on your own.

PLASMA-LYTE A IN PLASTIC CONTAINER Interactions

Loading safety data…

This overview is compiled from peer-reviewed clinical sources and FDA labeling. It's here to support — not replace — clinical judgment. Always verify dosing against your institution's current protocols before prescribing.

On this page

Mechanism of ActionDosing & administrationUse during pregnancyWarnings & precautionsDrug interactions

Compare with

ACETATED RINGER'S IN PLASTIC CONTAINERISOLYTE E IN DEXTROSE 5% IN PLASTIC CONTAINERISOLYTE E IN PLASTIC CONTAINERISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINERISOLYTE H IN DEXTROSE 5% IN PLASTIC CONTAINER

External sources

DailyMed (NIH) PubMed OpenFDA