Ear infection - Drip about three drops of tea tree oil into 5 mL of water. Fill a dropper with the solution and gently fill the ear with it. Hold it in the ear for half a minute and drain. Repeat several times a day or however often is necessary. Do not put pure tea tree oil into the ear. Also, rub pure oil onto the outer surface of the ear.
- Ear mites - Make a mild solution of tea tree oil and water, add five drops of oil to 15 mL of water. Using a dropper, gently drip about ten drops into your pet's ear. Also, dip a cotton ball in the solution and clean the inside of the ear.
- Fleas - Make a strong solution of tea tree oil and water. Using a spray bottle, spritz your pet's coat and rub the solution into their fur. Also, spray the liquid on carpets, floors and other areas where fleas lay their eggs.