Muscle spasticity, on the other hand, is a continuous muscle spasm that causes stiffness, rigidity, or tightness that can interfere with normal walking, talking, or movement.Muscle spasticity is caused by injury to parts of the brain or spinal cord involved with movement.Muscle spasticity is a characteristic of many clinical conditions, including trauma, myositis, muscular and ligamentous sprains and strains, intervertebral disc disease, tetanus, strychnine poisoning, neurologic disorders, and exertional rhabdomyolysis.
In addition, certain over-the-counter medications may be used to treat aches and pains associated with muscle spasms.
Prescription medications are divided into two groups: antispasmodics and antispastics.
It relaxes both laryngeal and pharyngeal muscles, allowing easier intubation, but has little effect on diaphragm and respiratory function.
It may cause transient increases in cardiac rate and decreases in blood pressure.
It is also used in treatment of horses with exertional rhabdomyolysis and in dogs with strychnine intoxication.