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How to numb a sore throat
Take an over-the-counter pain medication.
Acetaminophen (tylenol), ibuprofen (advil), or naproxen (aleve) have all been shown to be beneficial in reducing the pain of a sore throat. Ask your doctor before you take them if you are on blood thinners or other prescription medication.
Try salt-water gargling. Although this has not been proven in any conventional medical trials, it is something that is known to help with sore throats.