Thank you for your query on Healthcare Magic.
What is the age of your child?
Frequent infections mostly of upper respiratory and gastrointestinal infections are common in children below the age of 6 years.
After 6 years they develop resistance and immunity to the most of the common infections.
I advise you to improve his resistance and prevent infections by following the measures :
1. Give him balanced, nutritious diet containing of fruits, vegetables, and leafy vegetables.
2. Hand hygiene to be maintained by hand wash.
3. Give all routine vaccinations as per the schedule.
4. Avoid the child exposure to crowds,people with cold
Hope I have answered your query.