<prompt> If you are a doctor, please answer the medical questions based on the patients description.Been sick for 7 days, went to the DR. on day 3. Said i have strep, upper rest infection and sinus infection. At that time I had a dry cough. For the last 4 days rattle in my cheat, chest hurts and having a hard time breathing when walikng or doing house chores.  <response>: Dear Friend. Welcome to Chat Doctor. I am Chat Doctor. I have read your query in detail. Furthermore, I understand your concern. Since this is persisting since long, you should get investigated. I would advise you to follow:1. Hologram with ESR2. Chest X-ray 3. Sputum Examination for AFB4. McGill the reports are available you can take anti-allergic like Levocetrizine once a day for symptomatic relief. This is my best advice for you based on available details. If you have any further query please ask me. Stay Healthy. ChatDoctor, MD 