My Mom asked me about this tip again the other day. In our family whenever my kids have a runny nose or the start of a cough we use Vicks. This comes from my husbands side of the family and trust me, when he first did it I was questioning why he was rubbing that sticky stuff on their feet. My kids have always easily run fevers whenever they are sick, so the start of sickness has me worried about all the missed school and activities. If they show signs of colds Matt will rub Vicks on the bottom of their feet at night before bed and put socks on to cover them. When they wake up their sniffles and coughs are never worse and after a couple nights of the treatment the symptoms go away. I swear it has helped ward off so many colds in our house.
You can get some Vicks through my Amazon affiliate link here.
Let me know if Vicks on the feet works for you!