Suggest Treatment For Severe Cough, Breathing Difficulty And Body Aches While Having Bronchitis

hi , i was told 3 weeks ago i had bronchitis and i have asthma , i took antibiotics for 7 days which really did nothing i used benalyn phlem and mucus which helped with sleeping n coughing fits. a little bit of history i smoke half pack a day i do not drink and no drugs im 37 years old . my question is i am exhausted and i sleep 12 hours a night , i have had no life for the last 3 weeks i get up work eat shower bed i have someone with me to help with the kids i am tired at all times , my body is sore and have lots of shortness of breath even when taking my inhaler , my coughing fits are not all day now but are severe when i get them i dont know what to do cant go on like this . i dont feel congested but i feel like theres weigts on my chest and last doctor i saw said normal for bronchitis and that i might be borderline anemic