What kind of specialist should I consult for cold and difficulty in breathing with severe cough?

Brief Answer: Need more details... Detailed Answer: Hi, I understand you are concerned about your father's condition. To help me understand his condition better, I would need more details about him. Therefore please answer the following questions. 1. How long has been having these symptoms? 2. Did the symptoms start abruptly or was it gradual in onset? 3. Is his symptoms progressing or declining? 4. Does he produce sputum (mucous) with the cough? If yes, can you quantify the amount of sputum, its consistency, color, smell and if there are any blood stains? 5. Does he cough through out the day or is it more at a particular time of the day? 6. If his symptoms have been long standing one, do you find there is pattern change in relation to the weather? 7. Is he running fever along with it? 8. How has is appetite been? Is he eating well? Is he losing weight? 9. Does he smoke? If yes, how many and since when? 10. Can you confirm if he has any past medical illness including asthma (childhood) or if he is on any regular medications? 11. If there are any other unusual symptoms please mention. I look forward your answers to all these questions. Best regards