The Sinusitis Fighter Juice. Nasal congestion caused by sinusitis can easily be alleviated by drinking fresh juices, and making some diet adjustments. Try this juice now.. Ingredients: 2 oranges, 1 green apple, handful of kale, handful of cilantro, 1 lemon, 1 in. ginger root, 1 and 1/2 teaspoon Apple Cider Vinegar.