Please guide. The reason of cold sweats?

Hi my baby had high fever day before yesterday , 104 degree , which came down and was constant 98.8 till evening, later at night he had cold sweats when I about to put paracetamol, I checked he was having cold sweats and body temperature is 95.9,96-96.8, please let me know is this normal I tried to cover him up in blanket, but then the temperature is still around that feet and palm are warm but, core is also little bit warm,when I checked back is clumsy even after covering him in a blanket, is this normal till now I don't see shivering,he is taking feeds , do I put sweater but then it will make him sweat more, do I put another layer of clothing?he is on antibiotics currently is that the reason of cold sweats?