Basically all these are features of RSV infection
.Mostly are attacked in their childhood.It usually goes away on its own.Most needed home based treatment and may follow these steps
1)prop up your baby's head to make easier to breathe and sleep
2)suction baby's nose if he or she can't take breathe well to eat and sleep
3)control fever with ibuprofen
,use antibiotic like syp moxclav or cepodem 2.5ml bd and drink who ORS
Basically it subsides within 1-2 weeks in healthy child or immunised child.
But some have serious symptoms like wheezing
or trouble breathing, may lead to pneumonia
and need to consult with your paediatrician.