I Am Having A Bad Cough And Some Breathing Burning

I am having a bad cough and some breathing burning in my thorat.THE DOCTOR HAVE GAVE ME BREATHING TREATMENT AND MED. BUT STILL HAVE THE BURNING AND COUGHING AND SOME BREATHING PROBLEM. I BEEN FIGHTING THIS SINCE FEB OF THIS YEAR. I START OUT AS COAL BUT NOT GETTING ANY BETTER. AND THEN THE BURING IN MY THROAT, FEEL LIKE A SCATHNESS IN THE THROAT AND IT WILL NOT GO AWAY. I AM AT WITCH IN I TRIED OF TAKING MED AND NOT GETTING ANY BETTER., should I go to a throat doctor are what should I do. I worry to death.