This Electrolyte Replacement Fluid is an injectable medication prescribed by vets to boost electrolytes in dehydrated pets, helping them to feel better after a decrease in fluid intake or other causes of dehydration. This liquid contains sodium, potassium, and other electrolytes and is typically administered when rapid rehydration is necessary. This item does not come with the tubing and needles needed for administration. Tubing and needles must be purchased separately.**We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.**