monthly once or twice my baby suffered by fever or cold then I gave some syrups It would be cure. what my question hr is if I gave a some type of syrups it will affect my baby immunity power?

A. that's due to low immunity.. kids have mostly to 5 years.. give immunity booster food substance like-Eggs, youghrt, spinach, nuts like almond, wallnut, sunflower seeds, apple, and all seasonal fruits and vegetables and , oats, garlic, carrot, broccoli, butter, beans , mint juice, milk and milk products, oranges.