10 Best Obstructive Sleep Apnea doctors in Katwaria Sarai

Seems like you have caught a common cold which is caused by a virus. The symptoms of cough, headache, fever, mucus in the throat and feeling weak can be seen. To feel better try taking more liquid, rest and maybe over the counter drugs for colds. Seek medical advice if you do not improve after one week or if they become severe. 

Pleural fibrosis results in thickening of the lungs lining and further development of breath problems and other symptoms. It may occur as a result of several different things like being exposed to asbestos or being infected by a certain bacterium or virus. I will recommend you see a pulmonodigist who can assess the exact condition and recommend a proper treatment plan.