Lactated Ringers

By Medically reviewed by hellodoktor

Generic Name: Lactated Ringers Brand Name(s): Generics only. No brands available.


What is Lactated Ringers® used for?

Lactated Ringers® is commonly used for using in adults and pediatric patients as a source of electrolytes and water for hydration.

How should I take Lactated Ringers®?

Preparation for administration

  • Remove plastic protector from sterile set port at bottom of container.
  • Attach administration set. Refer to complete directions accompanying set.

To add medication before solution administration

  • Prepare medication site by removing the additive port closure. Swab the exposed medication site before puncturing.
  • Use syringe with 18–22 gauge needle, puncture medication port and inner diaphragm and inject.
  • Squeeze and tap ports while ports are upright and mix solution and medication thoroughly.

To add medication during solution administration

  • Close clamp on the set.
  • Prepare medication site by removing the additive port closure. Swab the exposed medication site before puncturing.
  • Using syringe with 18–22 gauge needle of appropriate length (at least 12,7/20,3 cm), puncture resealable medication port and inner diaphragm and inject.
  • Remove container from IV pole and/or turn to an upright position.
  • Evacuate both ports by tapping and squeezing them while container is in the upright position.
  • Mix solution and medication thoroughly.
  • Return container to in use position and continue administration.

How do I store Lactated Ringers®?

Lactated Ringers® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Lactated Ringers® in the bathroom or the freezer. There may be different brands of Lactated Ringers® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Lactated Ringers® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Lactated Ringers®?

  • This solution is contraindicated where the administration of sodium, potassium, calcium, lactate, or chloride could be clinically detrimental.
  • Lactate administration is contraindicated in severe metabolic acidosis or alkalosis, and in severe liver disease or anoxic states which affect lactate metabolism.
  • Solutions containing lactate are not for using in the treatment of lactic acidosis.
  • Solutions containing lactate should be used with great care in patients with metabolic or respiratory alkalosis, and in those conditions which are an increased level or an impaired utilization of lactate, such as severe hepatic insufficiency.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication. This medication is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk;
  • B=No risk in some studies;
  • C=There may be some risk;
  • D=Positive evidence of risk;
  • X=Contraindicated;
  • N=Unknown.

Side effects

What side effects can occur from Lactated Ringers®?

Side effects of Lactated Ringer’s solution are:

  • Chest pain;
  • Abnormal heart rate;
  • Decreased blood pressure;
  • Troubled breathing;
  • Cough;
  • Sneezing;
  • Rash;
  • Itching;
  • Headache.

More serious side effects include:

  • Infection at the site of injection;
  • Venous thrombosis;
  • Phlebitis at the site of injection;
  • Extravasation;
  • Increased fluid volume (hypervolemia).

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side effect, please consult your doctor or pharmacist.


What drugs may interact with Lactated Ringers®?

  • The presence of calcium ions in this solution should be considered when phosphate is present in additive solutions, in order to avoid precipitation.
  • Some additives may be incompatible. Consult with pharmacist. When introducing additives, use aseptic techniques. Mix thoroughly. Do not store.

Does food or alcohol interact with Lactated Ringers®?

Lactated Ringers® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Lactated Ringers®?

Care should be exercised in administering solutions which containing sodium or potassium to patients with renal or cardiovascular insufficiency, with or without congestive heart failure, particularly if they are postoperative or elderly.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Lactated Ringers®.

What is the dose of Lactated Ringers® for an adult?

  • This solution is for intravenous use only.
  • Dosage is to be directed by a physician and dependent upon age, weight, clinical condition of the patient and laboratory determinations. Frequent laboratory determinations and clinical evaluation are essential to monitor changes in blood glucose and electrolyte concentrations, and fluid and electrolyte balance during prolonged parenteral therapy.
  • Fluid administration should be based on calculated maintenance or replacement fluid requirements for each patient.

What is the dose of Lactated Ringers® for a child?

Safety and effectiveness of Lactated Ringer® in pediatric patients have not been established by adequate and well-controlled trials. However, the use of electrolyte solutions in the pediatric population is referenced in the medical literature. The warnings, precautions and adverse reactions identified in the label copy should be observed in the pediatric population. Please consult with your doctor or pharmacist for more information.

How is Lactated Ringers® available?

Lactated Ringers® is available in the following dosage forms and strengths:

  • Solution – 1000 ml container label.

What should I do in case of an emergency or overdose?

In the event of a fluid or solute overload during parenteral therapy, reevaluate the patient’s condition and institute appropriate corrective treatment.

In the event of overdosage with potassium-containing solutions, discontinue the infusion immediately and institute corrective therapy to reduce serum potassium levels.

What should I do if I miss a dose?

If you miss a dose of Lactated Ringers, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: November 24, 2016 | Last Modified: September 12, 2019

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