Safety not established. 

Do not use.

Not recommended.

But if you need it for one reason or another and under medical supervision,  some manufacturers previously recommended:

5 ml (1 teaspoonful) by mouth every 4 to 6 hours.
(Maximum dose of 4 doses in 24 hours)

The American Academy of Pediatricians does not recommend the use of over the counter cough/cold medications in children less than 6 years old.

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.

Not recommended.

But if you need it for one reason or another and under medical supervision,  some manufacturers previously recommended:

5 ml (1 teaspoonful) by mouth every 4 to 6 hours.
(Maximum dose of 6 doses in 24 hours)

The American Academy of Pediatricians does not recommend the use of over the counter cough/cold medications in children less than 6 years old.

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.

Give 10 ml (2 teaspoonfuls) by mouth every 4 to 6 hours.

(Maximum of 4 doses in 24 hours)

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.

Give 10 ml (2 teaspoonfuls) by mouth every 4 to 6 hours.

(Maximum of 4 doses in 24 hours)

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.

Give 15 ml (3 teaspoonfuls) by mouth every 4 to 6 hours.

(Maximum of 4 doses in 24 hours)

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.

Give 15 ml (3 teaspoonfuls) by mouth every 4 to 6 hours.

(Maximum of 4 doses in 24 hours)

• Must give medication more than 4 hours apart.
• If conditions get worse, must call the pediatrician.
• May cause drowsiness.