I have somewhere to be tonight, without being too outing it requires a lot of oxygen and absolutely no horrible chesty cough sounds! I've found that if I manage to stop coughing, I'm okay for a while, but once I cough, I can't stop. Aside from not coughing in the first place, how can I stop coughing by tonight? I'm also very clogged up in the sinuses so if anyone can tell me a good way to relieve that, I'm all ears. TIA