my son gets frequently cold and dry cough. sometimes running nose. what should I do to relieve him and suggest home remedies? how I increase his immunity system

A. Hello parent, Basil (Tulsi) and Coconut Oil This is an effective remedy for dry cough in babies. Heat ¼ cup of coconut oil and add crushed basil leaves to it. Then apply this warm oil on your baby’s chest, back, throat, and feet.