Phlegm-Heat obstructing the Lung
Stem
A 53-year-old man presents with cough for 10 days. It began after an external attack with fever and chills, but now the fever is mild while the cough is frequent and produces thick yellow sputum. He has chest oppression and thirst. Tongue is red with greasy yellow coating. Pulse is slippery and rapid. What is the most likely diagnosis?