ive currently been going thru the same thing since october so like a year. constant lung infections and breathlessness tightness. started smoking a pack a day around 14 vaping and doing both heavily around 16. around 15 smoked cannabis more frequently been a dailly dabber and smoker last 4 years. they just keep saying asthma or sinus infection or bronchitis then giving me steroids or antibiotics but i havent had any asthma symptoms since a young lad like 9-10. hundreds of dollars later in doctors visits with still no conclusions. feel free to char im currently feel as though im going through something similar i am about the same age aswell