Hold your head over the bowl and place a towel over your head. One way a sinus infection starts is with the accumulation of thick mucus in the sinuses, which lays out the welcome mat for bacteria: Stagnant mucus is the perfect breeding ground for bacteria to multiply and cause a painful infection. Fresh or grated horseradish can also be placed in a bowl with several cups of hot water. However, more research needs to be done on this subject. a definite HELP for Sinus Congestion! Mash the avocado. You can also add Greek yoghurt to make it richer. Mash-up well, chill and serve as a dip. Add grated horseradish (peel before grating), lime juice and salt and pepper. Be sure to close your eyes, and inhale the steam from the dish until your sinus congestion begins to loosen. Grate horseradish and take a smidge (1/4 teaspoon or so) in your mouth, holding until the flavour subsides, usually within 30 seconds. Horseradish researches. Horseradish balances blood flow and as one of the main effects of this improvement, the skin becomes smoother and it looks younger. Horseradish for Sinus Issues: Horseradish “snuff”: For the bravest among us! Horseradish tea. One study showed that a supplement containing dried horseradish and nasturtium effectively treated sinus infections and bronchitis. Horseradish is helpful for sinus infections because it encourages your body to get rid of mucus.