I dont know what is wrong with me ?

a few weeks ago i hat a vomiting bug as soon as the bug had gone i have notice a uncomfortable feeling in around my ribs and around my sternum and in my throat and gas i have had a ultrasound done of my stomache and there is nothing wrong my family also had the bug and they are fine now .there is mould in my house could this be related . i dont know what this is and i cant handle not knowing wat it is and not knowing if its going to go away and i cant handle it anymore