Had it before about 2 years ago, lasted for about 2 months. If you do have bronchitis, prepare yourself for not being able to sprint 50m without coughing, or the constant coughing keeping you up at night.
(Will admit, my alcohol at didn't help.)
Dihydrocodeine can help a lot in terms of lowering the coofs. Japanese use a medicine called "Bron", but they also load it caffeine so you don't take too much.
(A certain internet subculture in japan loves to OD from it, tried it once myself, won't go into it because fuck IT).
Amazon product ASIN B00B0L47D4View: https://www.amazon.co.jp/dp/B00B0L47D4/
Some countries actually have it outlawed. It's been known to be addictive.
You might have a similar medicine in your country that you can pick up from the chemist. But I would still say, talk to your local MD to how to deal with it, surely it ain't too expensive.
Unless you're an oldfag. I wouldn't worry about it, but you'll still have some rough sleeps.