To administer the fluids, you will also need a sterile IV administration set (the tubing) and sterile needles (typically 18 to 22 gauge). These are often sold separately from the fluid bags. Where to Buy

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Online retailers will typically contact your veterinarian directly to verify the order or ask you to mail/fax a copy of the written prescription.

You can purchase LRS bags from various sources once you have a prescription: Lactated Ringers Solution for Cats - VetRxDirect

* Lactated Ringers Solution does require a prescription from a veterinarian. VetRxDirect. Verified Answer. VetRxDirect

Lactated Ringer's Solution (LRS) for cats is a prescription-only electrolyte fluid used to treat dehydration and conditions like chronic kidney disease (CKD). It can be administered at home either intravenously (IV) or, more commonly, subcutaneously (SQ) under the skin. Requirements for Purchase