My 2.5 month old had stuffy nose,mild cough,sleepiness and reduced his milk intake to half. I took him to a paed he prescribed him antibiotic (calithromycin), turbutaline sulphate and a herbal extract. After giving these medicine my son has developed mild shaking of feet and hands. First question is why doc prescribed antibiotic in a viral infection. Secondly should i stop using turbutaline due to tremors or continue it for rest of 4 days. Doc wont be available for 2 more days so i am worried.