yesterday he have fever. but today face fully changed reddish. he was taken paracetamol syrup 5ml only

A. 5ML for a 10 month old child is extremely high must have created a lot of heat and discomfort in the body which is why the rashes are coming looking at the age of your child it is going to be either ten drops or 0.5 ML which would be the right amount please apply calamine lotion and check with your doctor for further assistance