3% Hydrogen Peroxide is the best thing to clear up ear infections, swimmers ear, kills bacteria, and over all cleaning out the ears, ect. I remember my grandma using it on me as a kid. It cleared up a lingering ear infection. Doc wanted to put tubes in. Never had another ear infection. I use on my girls and they never have had ear infections.
23 Amazing Benefits Of Eucalyptus Oil For Skin, Hair & Health
Eucalyptus Oil is one of the most potent and effective cures for a sinus infection. Simply place a few drops on a piece of cloth and inhale the fumes from the oil. It should clear up your sinuses pretty quickly.