Baclofen
group of stereoisomers
Baclofen, sold under the brand name Lioresal among others, is a central nervous system (CNS) depressant and derivative of the inhibitory neurotransmitter, gamma-Aminobutyric acid (GABA). Baclofen is a potent GABAB receptor agonist, antispasmodic, and skeletal muscle relaxant used to treat chronic muscle spasms and muscle spasticity, such as from a spinal cord injury or multiple sclerosis. It may also be used for hiccups and muscle spasms near the end of life, and off-label to treat alcohol use disorder or opioid withdrawal symptoms. It is taken orally or by intrathecal pump (delivered into the spinal canal via an implantable pump device).
Baclofen should be avoided in the setting of chronic kidney disease and end stage renal disease as even small doses can cause excessive toxicity. Common side effects include sleepiness, weakness, and dizziness. Serious side effects, such as seizures and rhabdomyolysis, may occur if use of baclofen is stopped abruptly. Use during pregnancy is of unclear safety, whilst use during breastfeeding is likely safe, and even more so if oral administration is avoided.
The adverse effects and safety profile associated with baclofen when it is combined with sedative drugs (e.g., alcohol, barbiturates, and benzodiazepines) range depending on the dose and the individual. The interaction may increase the sedative effects of all ingested sedatives and as such is not generally recommended.
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This entry incorporates text from “Baclofen” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.