What happens next?

How to use oregano oil to treat a respiratory infections
Add a few drops to a humidifier.
Inhaling oregano oil with steam may also bring you some relief. If you have a humidifier, you can use it to infuse your air with moisture and the aroma of oregano oil.
Just add a few drops of oregano oil to your humidifier and breathe deeply. Create an aromatic steam tent in your bathroom sink.