Hey dear it's due to seasonal change its takes 3 to 5 days to go .. .as a mother I understand ur situation.. dear don't take stress ask to ur pediatrician on phone or give paracetamol syrup or tablet according to ur drs prescription..give plenty of liquids nd water as it's very necessary..if fever s more than 101 do sponch.. wear clothes according to weather. Give ajwain steam your baby its helpful in reducing fever as well as cold nd cough too ,put 1 1 drop nasoclear into nose twice a day . Give soups nd light food so that he or she can digest easily ..try it dear ..if u don't get relief consult to ur pediatrician tomorrow. Take care dear.