question: 18 months old boy diagnosed pneumonia and started Biaxin. First day of Biaxin, same night had high fever (104-105F). Second day, this morning still have fever (101.6F) and this morning stool has some clay colour. He still has a fever (99.6-100.6F) at lunch time. He is tired and loss appetite. We gave him Tylenol and advil whenever we detect him a fever and it went down to normal for a few hours. Thanks.