Adults and Children over 2 years: 2.5 ml (half a 5ml spoonful) of gel applied four times a day after food. Infants 4 months - 2 years: 1.25 ml (one quarter of a 5 ml spoonful) of gel applied four times a day after food. If the infant is 4-6 months old, and is premature or has slow development, check with your doctor before using this medicine.