Are you suffering from a productive cough, but not sure what could be causing it and whether you should seek medical treatment? Self-diagnosing illness symptoms can be difficult. Learn more about what causes a productive cough and whether you should seek medical treatment at urgent care for your symptoms. Visit AFC Urgent Care Lakewood for same-day illness diagnosis and treatment in Lakewood, CO. Common Causes of a Productive Cough With peak illness season occuring during ...