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Lactated Ringer's Solution
Lactated Ringer's Solution is a crystalloid intravenous fluid that replaces lost fluids and electrolytes to restore intravascular volume and maintain physiological balance.
Lactated Ringer's Solution is a crystalloid fluid used for volume expansion and maintenance. It is widely used in clinical settings, including surgery and sepsis management. Current research focuses on optimizing its use in various conditions, such as gallbladder surgery and sickle cell crisis.
At a glance
| Generic name | Lactated Ringer's Solution |
|---|---|
| Also known as | Lactated Ringer's, Ringer's Lactate, Ringer's Lactated solution, LRS, Ringers Lactate |
| Sponsor | McGill University Health Centre/Research Institute of the McGill University Health Centre |
| Drug class | Crystalloid intravenous fluid |
| Modality | Small molecule |
| Therapeutic area | Critical Care / Fluid Resuscitation |
| Phase | FDA-approved |
Mechanism of action
This balanced electrolyte solution contains sodium, potassium, calcium, chloride, and lactate in concentrations approximating plasma. It is administered intravenously to treat dehydration, hypovolemia, and electrolyte imbalances by restoring circulating fluid volume and providing essential ions. The lactate is metabolized by the liver to bicarbonate, providing mild alkalinizing effect.
Approved indications
- Fluid resuscitation and replacement in hypovolemia
- Maintenance of electrolyte balance in dehydration
- Perioperative fluid management
- Burn and trauma resuscitation
Common side effects
- Hyperkalemia (with renal impairment)
- Fluid overload / pulmonary edema
- Hyponatremia (with excessive administration)
- Phlebitis at infusion site
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