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.
But tea tree oil also has a set of side effects that you should be aware of! Like all good things, tree tea oil too proves to be harmful when used in unrestricted amounts. Here are some of the tea tree oil side effects: Topical application of undiluted tea tree oil can lead to adverse skin reactions.