I woke up with a sore throat yesterday, and my son got phlegm yesterday…

I woke up with a sore throat yesterday, and my son got phlegm yesterday, I'm sucking it out and it's green, and so is mine. The pediatrician said to suck it out and drip vasoconstricting drops, about antiviral drugs she said we don't need to overmedicate the child. We're just still treating jaundice, we drink Ursofalk. Here's my question, girls, maybe all the same should buy antiviral candles?