4 years old half child cough vomiting fever nasal congestion how to do

4-year-old child cough vomiting fever nasal congestion, test is caused by upper respiratory tract infection. Suggestions: you can take your child to the hospital to do a blood test. If it is caused by bacterial infection, to take anti-inflammatory drugs, while with cough syrup. If the fever to 38.5 degrees, to take antipyretic.