10 Best Lung Surgery doctors in Jogeshwari

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. 

You're experiencing breathlessness and an inability to eat. Breathing difficulties can be a result of weak lungs or heart. When you experience a struggle to eat, it could be problems with the throat or stomach. Both could be symptoms of a problem, particularly if it's continuous. It's necessary to have a checkup to identify what's making these problems.