Hello moms.. My baby is 1.5 months old. He got his first 6 in 1 vaccination on Wednesday. He had fever till thursday and was taking paediatric calpol drops till thurs for 6 tyms in an interval of 6hrs as suggested by his paed. He did not get any fever after thurs. But since yesterday night his behavior seems a bit chnged. Though he is feeding but not properly after sometime. He has not slept till 1p.m today. He is not cranky though. Why is this behavior suddenly? Plz help. I am really worried.