I am 25 year old boy. I had blood in cough till 3 days. I consult a doctor, he suzzest me fr some test and X-ray. My platelets z below the range level nd my x- Ray z normal. Doctor gave me some antibiotics nd syrup fr 7 days. Still I have cough. Sometimes I feel wheeze nd pain in my chest. Pain in left ribs also. What causes it? please advise me wht should I do?