You have been a heavy smoker for round 14 years. Both tobacco and marijuana are associated with a high risk of respiratory disorders like bronchitis
. Many people feel chest discomfort
after quitting smoking
, but it gradually improves with time. However in your case, there has been no improvement and since the symptoms are severe enough to need using inhalers, I would suggest that you consult your doctor and get yourself evaluated for any respiratory disorder. If required, the dosage of your inhaler may be hiked.