<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi i have been feeling really weak recently and even collapsed a couple of times without faintingjust fallig. Recently after I got a really bad coldcough. I rarely ever get sick, this is the first time i can actually say i have a bad cold. What worries me most is that my chest over my heart feels really hot.  <response>: Thanks for your question on Chat Doctor. I can understand your situation and problem. By your history and description, possibility of lower respiratory tract infection LETI - pneumonia is more. LETI is common after uncontrolled common cold. And your worsening cough, weakness, Giddiness, burning and hot feeling over chest etc. are seen in pneumonia. So better to get done chest x-ray first. If this is suggestive of pneumonia than you need antibiotics and other supportive Chat Doctor. So consult doctor and first rule out pneumonia. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks. 