Question about bronchitis......??????????? along with pain in my lungs...? (urgent)?

so the doctor gave me two inhalers but no antibiotics or tablets or anything, im wondering will it get better by itself like this..? and how long will i have it for.. also i have been getting slight pain on my sides, and my legs feel extremely weak, my throat feels like dry and it hurts when i eat or drink water :/ i need answers fast!!!!!! please thanks for your help