The list I have compiled here is not just a list of the top 10 most toxic substances known to man. That would be too easy and not really relevant to anyone. This list is all those deadly poisons that have, over the years, been used by humans to kill each other; either individually or en masse. Arsenic is one of the classics.
The risk of addiction is nearly non-existent with Robaxin as it is not a direct pain reliever, but instead alleviates muscle spasm, which can lead to tension-driven pain. Robaxin is commonly used as a replacement for other muscle relaxers that do have the potential to be habit forming.
Methocarbamol is a type of muscle relaxant used for the short-term treatment of muscle spasms. This eMedTV article describes this drug briefly and provides a link to more information. Methocarbam is a common misspelling of methocarbamol. A prescription muscle relaxant, methocarbamol (RobaxinÂ®) is licensed for the treatment of pain associated with short-term, painful musculoskeletal conditions, such as muscle spasms due to an injury. It is meant to be used in combination with physical therapy, rest, and other treatments.