hello my son is one year old. he has developed fever suddenly but chest clear throat clear and ears clear. nasal congestion and stuffy runny nose. we have been giving him paracetamol for 2 days( as per his paediatric doc advise). temp goes upto 102°F. how many days the fever will last? as soon as 4-5 hours after giving paracetamol he again gets fever. he had not got this temp even when he got COVID. I am so much worried. is it normal viral infection?