1. Ginger Tea. Ginger tea is easy to make. Measure 1/4 teaspoon of ground ginger into a heat proof mug or glass and pour 1 cup of boiling water over it. Cover with a saucer and let sit until cool enough to drink before straining. (I line a fine mesh strainer with a coffee filter to do so.) Sweeten with honey or sugar as desired.
Vicks VapoRub is considered absolutely unsafe for children under 2. Consumption of small amounts of one of the ingredients (camphor) can be fatal for children, and getting Vicks in your eye (hard to avoid in little ones) can cause eye damage. So, I would highly recommend against using it in young children.
But the strong menthol odor of VapoRub tricks your brain, so you feel like you're breathing through an unclogged nose. By contrast, decongestant tablets and nasal sprays sold over-the-counter appear to narrow blood vessels in the lining of your nose, leading to reduced swelling in your nasal passages. VapoRub has drawbacks other than its ineffectiveness as a nasal decongestant. It's unsafe for any use in children under 2 years of age. In children under the age of 6, use it only on the neck and chest.