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Ringer lactate (RL)
Ringer lactate is a crystalloid intravenous fluid that replaces lost body fluids and electrolytes to restore intravascular volume and maintain hemodynamic stability.
Ringer lactate is a crystalloid intravenous fluid that replaces lost body fluids and electrolytes to restore intravascular volume and maintain hemodynamic stability. Used for Fluid resuscitation in hypovolemia and dehydration, Perioperative fluid replacement, Hemorrhagic shock management.
At a glance
| Generic name | Ringer lactate (RL) |
|---|---|
| Also known as | Hydration solution |
| Sponsor | Fundación Cardioinfantil Instituto de Cardiología |
| Drug class | Crystalloid intravenous fluid |
| Modality | Small molecule |
| Therapeutic area | Critical Care / Fluid Resuscitation |
| Phase | FDA-approved |
Mechanism of action
Ringer lactate contains sodium, potassium, calcium, chloride, and lactate in physiologic concentrations that closely mimic plasma composition. It is administered intravenously to restore fluid balance in dehydration, hemorrhage, and surgical settings. The lactate component is metabolized by the liver to bicarbonate, providing mild alkalinizing effects and making it suitable for prolonged use.
Approved indications
- Fluid resuscitation in hypovolemia and dehydration
- Perioperative fluid replacement
- Hemorrhagic shock management
- Burn injury fluid replacement
Common side effects
- Hyperkalemia
- Fluid overload / pulmonary edema
- Hyperchloremic acidosis (with large volumes)
- Hyponatremia
Key clinical trials
- Clinical Effects of Ringers Lactate Versus Sterofundin/ Plasmalyte Solution in Patients With Sepsis (NA)
- AMSC for Reducing Anastomotic Stenosis in Primary Arteriovenous Anastomoses (PHASE1)
- Randomized Control Study in REsuscitation of SEpsis Trial (PHASE4)
- Fluid Therapy and Glycocalyx Shedding During Moderate Surgery (NA)
- Effect of Fluid Regimen on Acute Kidney Injury (NA)
- 0.9% Saline Versus Balanced Solutions in Severe Diabetic Ketoacidosis (PHASE4)
- The Role of Carotid Flow Time-Based Fluid Administration in Caesarean Section
- Dose Responsive Study of Ringer's Lactate Solution in Prevention of Post-induction Hypotension (NA)
Primary sources
Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial enrolment, design, endpoints, results |
Competitive intelligence
For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:
- Ringer lactate (RL) CI brief — competitive landscape report
- Ringer lactate (RL) updates RSS · CI watch RSS
- Fundación Cardioinfantil Instituto de Cardiología portfolio CI