How Can Chest Pain Due To Cough Be Treated?

hi doctor my name is zakir hussain and i am from karachi ... about 1 year ago i used cough alot and i used to spit pleghma very much. i went to the doctor he told me that it was ok he just gave me some tablets and a syrup, and told me that to not worry . after taking that tablets and syrup i got better . and the pleghma was stopped . but after one month i coughed blood once again and i felt a sharp pain between da both chests and right under the neck . i went to another doctor he advised me to do x-ray and da xray result was fine. but again after few months i coughed blood again and this time it was countinously blood coming from my mouth and nose .. and i had to go for emergency in da hospital. they did xray of my chest and diagnosed that i may have tb infection.the doctor prescribed me some tablets . names myrin p fort and vita 6 and a syrup hydrylin . i am taking that now for 1 and half months and they also told that i have water in my right lung because i feel so much pain at my right lung side . what do i need to do now for the water in my lungs . will the tablets help decreasing da amount of da water in my lungs or i need some thing else to do ... and i feel various pain at chest sides and under neck between the chests and also at the abdominals sides ... help me please