Suggest Remedy For Prolonged Cough With Muscular Pain In Right Side

I HAD A REAL BAD COUGH AND ON OCASSION STILL COUGH EVERY NOW AND THEN BECAUSE OF THE CONSTANT COUGHING MY STOMACH AND RIGHT SIDE UNDERNEATH MY ARMPIT WAS REALLY HURTING BUT IT FELT LIKE A PULLED MUSCLE ESPECIALLY WHEN I SAT IN A FOWARD POSITION FOR TO LONG ITS NOT A BRUTAL PAIN IT FEELS LIKE A MUSCLE STRAIN COULD THAT BE WHAT IT IS BECAUSE BEFORE THE COUGHING STARTED I DIDNT HAVE THIS PROBLEM ITS NOT GAUL BLADDER IS IT WOULDNT THE PAIN BE CONSTENT AND UNBEARABLE?