Hi, i have a big problem, yesterday, i was laughing then i coughed then my chest became itchy and i cant breathe well, i cant even take a deep breathe, when i do so i feel that the air is being blocked and my throght has mucus and also my nose has mucus. I cant breathe well and i need help, also everytime i cought my chest becames itchy and it hurts me. Please help me, i need a good cure to cure me very fast