Although it probably comes as no surprise that flavored cough syrups or
throat lozenges contain sugar, there are other medications that don't have a sweet taste yet contain cornstarch.
Not exact matches
Several studies are described below in which zinc is administered as a
lozenge or zinc -
containing syrup that temporarily «sticks» in the mouth and
throat.
Camphor and menthol may also antidote remedies, so you may need to consider switching toothpaste and mouthwash and avoiding
throat lozenges, as well as using caution with topical applications such as Tiger Balm, vapor rub, or other preparations
containing essential oils.