Restoril vs Lasix: side-by-side comparison
Restoril (Sleep Aids and Hypnotics) and Lasix (Diuretics) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Restoril | Lasix |
|---|---|---|
| Active ingredient | Temazepam | Furosemide |
| Manufacturer | Mallinckrodt | Sanofi |
| Class | Sleep Aids and Hypnotics | Diuretics |
| Strengths | 7.5mg, 15mg, 22.5mg, 30mg | 20mg, 40mg, 100mg |
| Forms | capsule | tablet |
What's the same
Restoril and Lasix are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Restoril belongs to Sleep Aids and Hypnotics while Lasix belongs to Diuretics. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Restoril: Temazepam binds the benzodiazepine site of the GABA-A receptor and allosterically enhances inhibitory chloride conductance. Lasix: Lasix acts in the kidney's loop of Henle, where it blocks the NKCC2 co-transporter that normally reabsorbs sodium, chloride and potassium from the urine back into the bloodstream.
When Restoril is preferred
Restoril is approved in adults for the short-term treatment of insomnia, particularly when difficulty maintaining sleep is prominent.
When Lasix is preferred
Lasix is approved for fluid overload due to heart failure, chronic kidney disease and liver cirrhosis (with or without ascites), as well as acute pulmonary oedema.
Frequently asked questions
Is Restoril or Lasix better? ▾
Restoril and Lasix are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Restoril to Lasix? ▾
Switching between Restoril and Lasix is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Restoril and Lasix have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Restoril comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.