Suggest Treatment For Fever And Pain In Lung Area

i hv a severe headache all the tym and lot of weakness inside...nt being able to wake up my own sometyms...i use to smoke daily around 20 cig and taking depression medicine continuously since 2006...it starts with feliz s plus i think...having trouble pain in left lung with fever from last 15 days...kindly assist me what should i do to recover again????email adr - YYYY@YYYY