Oil of oregano is the best remedy for bronchitis. 1 drop under the tongue three times a day. It will also help with sinus infection.
Seagate grapefruit seed extract and olive leaf nasal spray 2 puffs each nosrtil 3x a day.
Oil of oregano is an anti biotic, as well as grapefruit seed extract and olive leaf. By taking it orally and by applying to the sinuses, it will dispell the illness quicker.
Vicks vapo rub, on the chest area at night, as long as you are not allergic to menthol. Is a cough supressant, and will help to open up air ways.
A vaporizer during the day, will help to loosen the mucus. Spit out mucus, do not swallow, dispose of the kleenex by flushing. Bronchitis is highly contagious.