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 oil is UNSAFE when taken by mouth. Donât take tea tree oil by mouth. As a general rule never take undiluted essential oils by mouth due to the possibility of serious side effects. Taking tree tea oil by mouth has caused confusion, inability to walk, unsteadiness, rash, and coma.