Lactated Ringers Intravenous (LRS) Solution
Lactated Ringers Intravenous (LRS) is a compounded formulation containing Lactated Ringers Intravenous, prepared by Mixlab for veterinary use. Available by prescription.
The uses and pharmacology described below reflect the FDA-approved labeling for this active ingredient; your veterinarian determines whether and how they apply to your animal's treatment plan.
Lactated Ringers Solution (LRS) is a sterile, isotonic intravenous fluid utilized extensively in veterinary medicine for hydration and electrolyte management. It is a prescription medication available for use in multiple species, requiring professional administration or guidance from a licensed veterinarian. It is frequently considered in the context of emergency care or for hospitalized patients presented with dehydration or metabolic challenges.
Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.
At a pharmacological level, LRS provides a source of sodium, chloride, potassium, calcium and lactate to support the body's electrolyte balance and acid-base status. Commonly observed effects include localized changes at the site of administration or behavioral shifts like temporary lethargy. Because it manages fluid volume, your veterinarian will monitor for observational signs of hydration and cardiovascular status through regular clinical assessment. Owners should monitor for any unusual behavioral shifts and follow all professional guidance for administration.
Yes. Lactated Ringers Solution is a prescription medication and requires a valid authorization from a licensed veterinarian. Mixlab ensures all legal and professional standards are met before dispensing.
LRS is a specialized manufactured sterile intravenous fluid. While not typically compounded, Mixlab provides this medication as part of our full-service pharmacy to support your pet's hydration and recovery goals.
Veterinarians discuss LRS because the lactate component is considered to support the body's acid-base balance. It is converted by the liver into bicarbonate, which may support metabolic health as determined by your veterinarian.
If authorized for home use, LRS is typically administered as a subcutaneous injection (under the skin). Your veterinarian will provide professional training on the proper technique for administration.
Your veterinarian will recommend periodic check-ups to monitor hydration status and heart health. This monitoring ensures the management approach remains safe and suitable for your pet's recovery.
