What Is in Lactated Ringers IV Solution?

Sodium Chloride

For every 100 milliliters of LR, there is 600 milligrams of sodium chloride, an essential chemical that regulates the amount of water in our bodies.

Sodium Sulfate

Anhydrous, or sodium sulfate, is another chemical that can be found in 100 milliliters of LR.

Potassium Chloride and Calcium Chloride

Thirty milligrams of potassium chloride and 20 milligrams of calcium chloride are additives in 100 milliliters of LR.

Hydrochloric Acid and Hydroxide

LR sometimes contains hydrochloric acid and hydroxide, which adjusts your PH level. The PH level measures the amount of acidity in your body, which could be thrown out of balance with certain ailments.


LR replenishes your electrolytes, which are vital to your health. If your electrolytes are off balance, it could cause many problems within your body. Lactated Ringer's solution is given to patients to help replace fluid that has been lost by the body. Aggressive fluid replacement is sometimes necessary due to injury or illness in patients. This solution looks like water, but it contains several additives that are beneficial to the human body.