IV Therapy for Hangovers and Dehydration: Does It Work?
What a hangover IV actually does, how it compares to oral rehydration, the signs of dehydration that need medical care, and Houston heat considerations.
Read guideFluids
Lactated Ringer's (LR)
Also known as: LR, Ringer's lactate, Hartmann's solution
A balanced IV fluid with sodium, potassium, calcium, and lactate — an alternative to saline for hydration drips.
Medically reviewed by Akash Bhagat, DO, FACEP
What the evidence supports
| Use | Evidence |
|---|---|
| Rehydration | Established |
Common side effects
- Cool sensation in arm
- Frequent urination afterward
Who should be cautious or avoid this
- Heart failure
- Kidney disease
- High potassium levels
- Not mixed with certain drugs that bind calcium
What it is
Lactated Ringer’s is a “balanced” crystalloid fluid: sodium chloride plus smaller amounts of potassium, calcium, and sodium lactate. The body converts lactate to bicarbonate, which can help offset acidity.
Why it’s used in IV therapy
Some clinics prefer LR for hangover and athletic recovery drips because its electrolyte mix is closer to blood plasma than plain saline.
What the evidence says
LR is an established hydration fluid used throughout hospitals. In wellness settings, the practical difference between LR and saline for a healthy person getting one liter is small.
Side effects and cautions
Similar to saline: fluid overload risk in heart or kidney disease. Because it contains potassium, it’s used carefully in people with high potassium or advanced kidney disease. Its calcium content makes it incompatible with certain medications in the same line, which is why clinicians check what’s being mixed.