I have been using a powdered tea from Primal Herb called Lung Renew for almost two years. You can Google it and read about it. You can drink it twice a day, using 1/2 tsp in hot water each time. I only use it once but have found that it really loosens things up. The other herbs in it, like elecampagne and honeysuckle, also help with the inflammation and mucus. Anyway, I have found it very soothing. Each box contains 100 servings of 1/2 tsp each.