Symptoms suggest viral infection, which takes Atleast 3-4 days to get better. U can continue the same.

Most of the time cough cold, fever  are viral in origin They may subside by 3 -7 days No need of any medication if mild.  If fever above 100 need fever medicine (paracetmol) If cough and cold then need steam inhalation, nasal decongestant drops And cough syrp or drops as per babys Cough condition  (wet or dry). Keep ur baby well hydrated in cough cold fever episode If decreased urine output, refusal to feed, decreased activity Then need consultation with nearest pediatrician.