If travelling with a child two or under, passengers also may bring aboard baby formula, baby food, milk, water and juice in any quantity in any type of packaging.
Liquid prescription medicine with a name that matches the passenger’s ticket or boarding pass, and other essential non-prescription liquid medicines (e.g. cough syrup, ointment, moisturizers, decongestant nasal spray) continue to be permitted and are exempted from the container size restrictions. In addition, they are not required to be placed in the 1L plastic bag.
For liquid and solid medicine, passengers should have documentation supporting their medical condition.
To speed up the screening process, passengers should place all liquids, gels, and aerosols from their carry-on bags into the trays provided at the beginning of the screening process.
The above information comes from The Canadian Air Transport Security Authority (CATSA).