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 Evidence about the effects of tea tree oil on MRSA infection is unclear. 2  When compared to standard MRSA treatment alone, adding tea tree oil does not seem to improve overall MRSA clearance. 3  Also, using a tea tree oil solution when cleaning wounds does not seem to improve MRSA clearance.