It usually starts in the nerves farthest from the brain and spinal cord -- like those in the feet and hands. Then it may move up into the legs and arms. However, if you get treatment for the medical condition causing the nerve damage, you may be able to stop the damage -- and even reverse it.
If swallowed, tea tree oil can cause varying side effects ranging from drowsiness, upset stomach, vomiting, nausea and weakness, to coma, hallucinations, blood cell abnormalities, confusion and ataxia which affects muscle coordination and your ability to move voluntary muscles, states the American Cancer Society.
1 Tea tree oil heals wounded skin. 2  It moisturizes and restores the skinâs natural oil balance. 3  Tea tree oil penetrates deep into pores to remove toxins and prevent the clogging that causes acne and lightens the scars.  Tea tree oil reduces inflammation and removes dead skin cells to minimize scars.