My 17 Year Old Daughter Had Whooping Cough And Pneumonia,she

My 17 year old daughter had whooping cough and pneumonia,she took antibiotics for 10 days and X-rays showed her lungs clear now when she plays a sport she has a hard time breathing and at the end of her last game she felt lightheaded ,she took 2 ventilin pumps before game as prescribed by her doctor, how long should we expect these symptoms to last