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.
Tea tree leaves and the oil they produce contain a substance known as terpinen-4-ol, which serves as an antibacterial agent. Because itâs a solvent, terpinen-4-ol also cuts through oil. Bacteria, oil and other impurities clog the pores to cause zits, making tea tree oil acneâs natural enemy. It is an effective treatment for both inflamed and non-inflamed acne lesions, curbing the production and appearance of both whiteheads and blackheads.