Headache problem related with sinusitis.

My headache problem is too long to handle...that is sinus ,it is from 2 years ago...and it get triggered at the time of severe cold ,rush , compact environment,suffering from nausea vomiting weight loss, stress condition ...some one has suggested me that I am suffering from migraine ..is it right from all these symptoms? Can you please suggest me what should I do?? ...it have increases mild to severe and too worst to manage it...and due to this I am getting time to time fever ,running nose, headache ,bodyache,getting faint sometimes, severe pain in leg always ,not desire to eat always,fullness feeling always ,and the weight loss is getting worst ..it have been reduced from 50 kg to 45 kg recently and 5 months passed...but there is no increasment in weight...doctor please suggest me what should I do for this all regarding problems ???