Thank you for your query on Healthcare Magic.
There are many causes of cough from simple upper respiratory infection
to asthma variants.
is due to profuse coughing which is common in children after a bout of cough and it is known as Posttussive vomiting.
Is there any history of asthma in child?
Is there any wheezing
Physical examination is important to see the throat and examine lungs for any wheezing.
Consult your Pediatrician
for the examination and appropriate treatment for her cough.
Hope I have answered your query.