Norwegian BokmÃ¥l terms derived from Old Norse; Norwegian BokmÃ¥l terms inherited from Proto-Norse; Norwegian BokmÃ¥l terms derived from Proto-Norse; Norwegian BokmÃ¥l terms inherited from Proto-Germanic; Norwegian BokmÃ¥l terms derived from Proto-Germanic; Norwegian BokmÃ¥l terms inherited from Proto-Indo-European
Botulism is a serious, potentially fatal illness caused by a type of poison. The poison â known as botulinum toxin â is produced by a kind of bacteria. Botulinum toxin is the strongest poison known to science. Botulism is always considered a medical emergency. It can cause death by paralyzing the muscles people use to breathe.
Get medical help right away if you have any of these problems any time (hours to weeks) after injection of BOTOXÂ®: 1  Problems swallowing, speaking, or breathing, due to weakening of associated muscles, can be severe and result in loss of life. 2  Spread of toxin effects.