Back to Sore Throat
topical · for sore throat
Saltwater Gargle
Reviewed by the Nimbera editorial team · Last updated May 2026
Strong evidenceFree
How to use
Dissolve 1/4-1/2 tsp table salt in 8oz warm water. Gargle for 30 seconds, then spit out. Repeat every 2-3 hours.
How it works
Creates a hypertonic solution that draws fluid out of swollen throat tissue, reducing swelling and loosening mucus. Supported by multiple systematic reviews and used clinically for centuries.
Where to buy
Already at home.
Typical cost: Free
Safety notes
Do not swallow. Not suitable for young children who cannot gargle safely.
Drug & supplement interactions
- Always tell your doctor or pharmacist about any supplements you take.
- Interactions can occur with prescription medications, blood thinners, and immunosuppressants.
- Herbal remedies can affect how the body absorbs or metabolises drugs.
- Check drugs.com interactions checker before starting.
Clinical source
Healthline; Mayo ClinicThis information is compiled from primary clinical literature and is for informational purposes only. It is not a substitute for professional medical advice. Read our full disclaimer.