@kathyhg Not Terri here, but Breathe Easy Tes is from a company called Traditional Medicinals and is completely herbal and caffeine-free. In additiona to easing breathing, it is quite comforting to sip in cool weather. Many people like to add a bit of sweetener.
It is widely available in grocery stores & online. Even some WalMart stores carry it. Read the label before using if you have allergies - it is not in front of me right now, but as I recall, on of the herbs is something my brother is allergic to, so he cannot use it.
By the way, if you are on antibiotics and suffer from nausea, they also have a ginger tea that is helpful. We keep both on the shelf here.
Sue

kathyhg This tells some of what is in the tea, the licorice root is what really works to open airways. I lived on this tea when I was so sick with mac. I would feel like an elephant was sitting on my chest, and this tea would ease that feeling, plus quite my cough. https://www.traditionalmedicinals.com/articles/tea/a-peek-inside-breathe-easy/