Sage (Salvia officinalis) has astringent, antiseptic, and antibacterial qualities, and this herb has a long history of use for sore throats, coughs, and mouth inflammations. Fresh or dried sage makes an aromatic tea, which we've found to be quite soothing to sore throats.
To make sage tea, pour 1 cup of almost-boiling water over 2 tablespoons of fresh or 1 tablespoon of dried sage leaves. Cover and steep for 10-15 minutes and strain. Add honey and/or lemon, if desired. Sage tea may also be used as a throat gargle.
Note: sage tea is generally not recommended for use during pregnancy and lactation.