The pain you are referring to is related to muscle pain
due to coughing. It will take a while for the pain to go.
It is true that the real culprit for your wheezing, coughing is a virus; it might need up to 10 or more days to get healed.
It is good that your blood, urine and ultrasound
resulted ok. Watch your diet, please do not go for energy drink for a while, eat healthy foods, keep exercised.
Take some tea, drink plenty of water, and take some vitamin c
for getting energy, mucolitics for your cough and acetaminophen