This is very common for children below 5 years of age to get cold and fever very often. As they get each infection they ll develop immunity for that infection, so that , it won't happen in the future. Cold is caused by more than 1000 organisms. So for some children it takes little more time to develop immunity. If it is causing severe difficulty in breathing, then you need to worry. Otherwise no issue. Whenever it comes, you can treat with medication after consultation.
Next Steps
Steam inhalation with herbs by keeping the child on your lap with care, can helping treating mild cough and cold...