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A muscle relaxant is a drug that affects skeletal muscle function and decreases the muscle tone. It may be used to alleviate symptoms such as muscle spasms , pain , and hyperreflexia . The term "muscle relaxant" is used to refer to two major therapeutic groups: neuromuscular blockers and spasmolytics .
Cyclobenzaprine, sold under several brand names including, historically, Flexeril, is a muscle relaxer used for muscle spasms from musculoskeletal conditions of sudden onset. [5] It is not useful in cerebral palsy. [5] It is taken by mouth. [5] Common side effects include headache, feeling tired, dizziness, and dry mouth. [5]
It is a long-acting [12] tranquilizer of the benzodiazepine class. [11] It possesses anxiolytic, anticonvulsant, sedative, hypnotic, and skeletal muscle relaxant properties. It is typically taken orally (swallowed by mouth) but is also used intravenously. [11] [13] Effects begin within one hour and last between eight and twelve hours in adults ...
Chlorzoxazone is a centrally acting muscle relaxant used to treat muscle spasm and the resulting pain or discomfort. It can also be administered for acute pain in general and for tension headache (muscle contraction headache). It acts on the spinal cord by depressing reflexes.
Most muscle cramps subside within seconds to minutes, although soreness related to the cramps can sometimes last hours to days, ... your doctor might prescribe a muscle relaxer,” Benjamin says.
Chlordiazepoxide has a medium to long half-life, while its active metabolite has a very long half-life. The drug has amnesic, anticonvulsant, anxiolytic, hypnotic, sedative, and skeletal muscle relaxant properties. [4] Chlordiazepoxide was patented in 1958 and approved for medical use in 1960. [5]
Suxamethonium is also commonly used as the sole muscle relaxant during electroconvulsive therapy, favoured for its short duration of action. [ 13 ] Suxamethonium is quickly degraded by plasma butyrylcholinesterase and the duration of effect is usually in the range of a few minutes.
] In addition to the hypnotic properties, triazolam's amnesic, anxiolytic, sedative, anticonvulsant, and muscle relaxant properties are pronounced as well. [7] Triazolam was initially patented in 1970 and went on sale in the United States in 1982. [8]