N.K.
Hi!
Have you tried putting the liquid medicine in a milkshake, like milk a bit of ice cream and a banana.?
What about getting 'baby tablets, if they make them, and crush them with a spoon, put in liquid chocolate over ice cream, OR in peanut butter, on bread or crackers?
Maybe put on a favorite video or song while you dose the baby........
Just a try,
N.