Paralytic. Mivacurium is one of the medications used by anesthesiologist to paralyze muscles during surgery. It is short acting, and usually wears off by it self. During the time that it is effective a ventilator must be used to help the patient breathe.
Muscle relaxant. Mivacurium is a muscle relaxant used to provide relaxed muscles during surgery. You should be able to find out more information about it on the internet. This is a medication used only by anesthesiologists, nurse anesthetists, or anesthesiology assistants, since it stops the patient from breathing, and a breathing tube is necessary. It is safe when used by trained professionals.