I am a 26 year old male, i dont smoke or drink, and my job requires me sit at a computer for about 10 hours a day. once every 1 or 2 days, i get a sting-like feeling in my throat or chest, and i cough hard for about 5 -10 mins. Thick colourless phlegm finally comes out, and the coughing stops. There are days when i get this 2-3 times, and some other days where it doesn t happen at all. and sometimes it happens when i go to bed. I ve had this problem for more than a year now. Please let me know if i should consult a specialist or go on any meds. Currently i m not taking any meds. Thank you