hi sir good morning my baby is 21months old and by birth she is diagnosed with VSD n in January she got covid from February on ways she started coughing n vomiting we consulted doctor he said she is effected with phenomenon in lungs, doctor prescribed medications like antibiotics injection etc and she became well but with in days she started coughing and with the cough she vomits and hey cough stops again we consulted doctor he said she is having very light phenomenon he gave medicine we are using but again she starts coughing why this is happening please help me..