Benzocaine lozenges are available in various brands and may be suitable for use in children over the age of 2. Talk with your doctor before giving products with benzocaine to a child.

Dextromethorphan is a cough suppressant used for treating cough that is caused by asthma, smoking and emphysema. It affects the signals in the brain that trigger cough reflex. Dextromethorphan provides symptomatic relief of coughs caused by minor viral upper respiratory tract infections or inhaled irritants.

In fact, zinc lozenges have been found to actually shorten the duration of a cold when taken within 24 hours of onset symptoms. Halperin says the severity of the cold has been shown to go.