Try these suggestions that may help what ails you. 

You can follow each one with a carrier oil like olive oil. 

For the mouth:

Put a drop of Dorado Azul essential oil to the roof of your mouth for excessive sinus drainage.

Put a drop of Peppermint essential oil to the roof of your mouth to drain sinuses.

Put a drop of DiGize essential oil to the roof of the mouth for diarrhea. 

Put a drop of Frankincense and Lavender essential oil to the roof of your mouth for a headache.

Put a drop of Clove essential oil on your gums for a toothache. 

Put a drop of Orange essential oil on your toothbrush for whiter teeth.

Put a drop to Tea Tree essential oil on a q-tip and swap the nose and throat to kill germs and bacteria. 

For your feet:

Put a drop of Rosemary essential oil on the bottom of your feet for indigestion.

Put a drop of Thieves essential oil on the bottom of your feet to ward off germs.

Put a drop of RC, Eucalyptus, Raven essential oil on the bottom of your feet during an asthma attack.

Put a few drops of Peppermint essential oil on the bottom of your feet to sooth tired aching feet.

Put a drop of Lavender essential oil on the bottom of your feet to help you fall asleep.

Put a drop of Lavender or Peppermint essential oil on the bottom of your feet if you have a fever.

Put a drop of Valor essential oil on the bottom of your feet for courage and to balance your energy.

Put a drop of Lemon essential oil twice a day on your calluses, corns and warts.

Put a drop of Frankincense essential on the bottom of your feet to strengthen your immune system and for restless leg syndrome. 

Put Tea Tree essential oil on the bottom of your feet for foot fungus or athletes feet.

Mix 1/4 cup arrowroot and 20 drops of tea tree, mix well. Use as a powder for athletes feet.  

For your face:

Put a drop of Lemon essential oil for a blemish.

Put a drop of Melrose essential oil around the outside of the ear for ear pain.

Put a drop of Peppermint essential oil at your temples and the back of your neck for a headache.

Put a drop of Lavender essential oil under you nose to help your balance.

Put a drop of Cedarwood essential oil on the tip of the ear to clear emotional blocks.